Service difficulty report · Bleed Valve · Boeing 757200

Difficulty date
June 4, 2005
Submitted
June 7, 2005
Operation
Air carrier
Aircraft
N703AM
Make and model
Boeing 757200
Aircraft serial
27203
Aircraft time
27,884 hours, 24,711 cycles
Engine
Pwa PW2037
Engine time
31,003 hours, 11,618 cycles
Part
Bleed Valve
Part number
3830041105
Part serial
0743
Condition
Failed
Location
Lt Engine
Part time
27,826 hours, 10,570 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CAPTAIN REPORTED THAT DURING TAKEOFF, THE LT ENGINE EGT REACHED 647 DEGREE C. AIRCRAFT WAS SENT TO THE HANGAR AND LT ENGINE 2.5 BLEED ACTUATOR WAS REPLACED IAW MM 75-32-01 AND TESTS WERE PERFORMED IAW MM 71-00-00, ALL CORRECT. DURING OVERNIGHT SERVICE, THE LT ENGINE BAROSCOPIC INSPECTION WAS PERFORMED TO THE COMBUSTION CHAMBERS AND T1, T2 AND T3 UPPER AND LOWER TURBINES. NO DAMAGES WERE FOUND IAW MPCM 72-00-00.

More about the Boeing 757-200 SERIES