PREFLIGHT CHECK
Boeing 737
<< Check Lis t >>
Ref: PF – B737 Preflight Check - A visual check to ensure ensure the continuous serviceability serviceability of the aircraft prior prior to each flight. Check
- Examination to determine the functional capability or physical integrity of an item.
Walk Around Check (WAC) (WAC) - A visual check from ground level for obvious discrepancies without any external means (stairs, tools) to determine exterior obvious dangers, leaks, proper operating equipment, security of attachment, required servicing.
1.
Technical Logbook Maintenance Release & Fuel Entry performed. Defects Defects properly c leared, leared, Technic Technic al Logbook compl ete & on board checked Check if any defect or deferred defect must be cleared or released according to MEL; All consumable consumable fluids uplifted uplifted prior to flight area of the correct specification in accordance with the labels installed on refilling areas and properly recorded in the Technical Logbook Inspect Flight deck central console, control panels and Instruments for general condition – initiate and perform cl eaning eaning as required only at ho me base Emergency Emergency equipment:on ly at home base Check portable fire extinguisher bottles for correct filling on gage (pointer on green band) Check cabin portable oxygen units pressure ( above 1500 psi at 20 deg Celsius Ai rc raf t w it h A ir bo rn e Data Load L oader er ins i ns tal led Check that the ADL selector switch is in NORMAL position
Done
Check
2. Engine Oil Oil quantit y – minimum for airplane airplane dispatch dispatch 90% 90% full at
home base and and 60% full only o utsid e station Hydraulic fluid quantity – quantity – ‘A’ & ’ B’ systems – RF or above (use flight deck indicators ) 3.
Walk Walk Ar ound Check Inspect the following items from ground level for general condition, including, in particular any obvious signs of wear, damage or leakage: Aircraft nose a) All visible exterior surfaces surfaces of fuselage including including radom, radom, Flight deck windows b) Nose wheel well compartment area, landing gear installation, installatio n, shock absorber, tires, wheels, wheels tie bolts for presence, doors, taxi light Right forward and center fuselage, wing and engine c) All visible exterior surfaces surfaces of fuselage including including door, door, antennas, drain mast, cabin windows, oxygen disk (green)
Applicability: Applicability: B737-300/400/500 B737-300/400/500 Revision: 2 Effectivity date : 25-Sep-2012 25-Sep-2012
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WAC
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PREFLIGHT CHECK << Check Lis t >>
Boeing 737 Ref: PF – B737
d) Wing: leading edge, trailing edge, control surfaces, flap track fairings and fuel vent area including pressure relief valve poppet to be flush, Ram Air Inlet, static dischargers Engine strut and aft strut fairing e) Engine Inlet Area ( including visible blades) and cowls, abradable seal and acoustical material thrust reversers, last stage blades on LPT, and exhaust area, exhaust tail plug Right main gear and wheel well f) Landing Gear Installation, shock absorbers, brakes, tires, wheels, wheels tie bolts for presence, wheel well, doors Right aft fuselage g) All visible exterior surfaces including cabin windows APU extinguishing discharge disc color (yellow and red), safety & outflow valves h) Vertical stabilizer area and rudder i) Horizontal stabilizer, elevator and tab, including vortex generators, static dischargers Left aft fuselage j) All visible exterior surfaces including cabin windows k) Vertical stabilizer area and rudder l) Horizontal stabilizer, elevator and tab, including vortex generators, static dischargers m) Inspect tail skid IAW AMM 32-71-00/601 only B737- 400 aircrafts Left main gear and wheel well n) Landing Gear installation, shock absorber, brakes, tires, Wheels, wheels tie bolts for presence, wheel well doors,wheels hubcap for cleaning - cleaning to be performed only at home base Left forward and center fuselage, wing and engine o) All visible exterior surfaces of fuselage including door, cabin windows p) Wing: Leading edge, trailing edge, control surfaces, flap track fairings and fuel vent area including pressure relief valve poppet to be flush, Ram Air inlet, static dischargers q) Engine strut and aft strut fairing Engine Inlet Area (including visible blades) abradables seal and acoustical material thrust reversers, last stage blades on LPT, and exhaust area, exhaust tail plug and cowls - check for open latches, blow out panels and for signs of fluid leakage -identify the leakage source, initiate investigation if required ; clean engine cowls o nly at home base 4. TAT probes, pitot pr obes, AOA vanes & static port s Check for condition and obvious damage Applicability: B737-300/400/500 Revision: 2 Effectivity date : 25-Sep-2012
WAC
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PREFLIGHT CHECK
Boeing 737
<< Check Lis t >>
Ref: PF – B737 5.
6.
NLG/MLG Shock absorber extension Visual check of shock absorber extension - Make sure LH and RH MLG extension is equal Shock absorbers are cleaned and not fully compressed Clean exposed surface of L/H and R/H strut piston with a cloth moistened with MIL-H-5606 hydraulic fluid and wipe with dry cloth - only at home base
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NLG/MLG Tires Check
Inspect tires for condition and wear, such as : a) Normal tread and wear b) Shoulder wear c) Flat sports and rubber reversion d) Cuts e) Punctures f) Bulges and blisters g) Chevron cracking h) Groove cracking i) Rib undercutting j) Bead damage k) Tire defects and/or failures l) Contamination of tires m) 7. Al l p in s, b lanks and co ver s, i nc lu ding fr om pi to t/s tat ic in let s ar e removed 8.
External surfaces and engine: snow and i ce, sand and heavy dust
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When there are ice and snow conditions, examine the airplane for ice and snow on the following areas: a) Fuselage b) Wings c) TE flaps, LE flaps, LE slats d) Ailerons e) Stabilizers f) Elevators g) Rudder h) The accessible areas of the balance panels i) The accessible areas of control surface points and hinges j) The gap between wing structure and aileron leading edge Applicability: B737-300/400/500 Revision: 2 Effectivity date : 25-Sep-2012
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PREFLIGHT CHECK
Boeing 737
<< Check Lis t >>
Ref: PF – B737 k) The gap between fin and rudder leading edge l) The gap between horizontal stabilizer and elevator leading edge m) Engine inlet cowl (make sure the fan turns freely) n) Landing gears If anti-/de- icing is necessary, initiate the order for this process. 9.
Toilet and pot able water s ervice panel Check
10. Ai rc raf t Door s, A cc ess & Ser vice Panels ( fu sel age, win gs ,
empennages) closed & locked
Check
11. Engine Cowls Doors closed & locked
WALK AROUND ROUTE GUIDE IS TO BE USED DURING PREFLIGHT CHECK
Applicability: B737-300/400/500 Revision: 2 Effectivity date : 25-Sep-2012
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