Service difficulty report · Fmu · Boeing 767322

Difficulty date
September 14, 2008
Submitted
December 5, 2008
Operation
Air carrier
Aircraft
N655UA
Make and model
Boeing 767322
Aircraft serial
25393
Aircraft time
67,673 hours, 11,081 cycles
Engine
Pwa PW4060
Engine time
16,186 hours, 10,047 cycles
Part
Fmu
Part number
8010003
Condition
Faulty
Location
Nr 2 Engine
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

NR 2 ENG, TURBINE CASE COOLING ACTUATOR IS LEAKING FUEL AT A RATE OF 30 DROPS PER MINUTE. FOUND CHUNKS OF RUBBER COVERING 10 PERCENT OF STRAINER. PERHAPS O-RING MATERIAL. NO METAL FOUND. CLEANED AND REINSTALLED STRAINER. COMPLETED INSP OF STRAINER INSTALLATION FOUND SECURE. REPLACED NR 2 ENG FUEL PUMP AND FMU. REPLACED CUT O-RING AT OIL COOLER OUTLET FUEL FLANGE. OP CHECKED AND LEAK CHECKS OKAY. REPLACED FUEL PUMP FILTER P/N 75912-102. ACCMP'D LEAK CHECK. CHECKS GOOD. REPLACED TCC ACTUATOR. REPLACED NR 2 ENG VSV ACTUATOR. LEAK CHECK AND OP CHECKS GOOD. RT ENGINE TURBINE CASE COOLING MANIFOLD AFT SUPPORT STANDOFFS SLIGHTLY WORN. REPLACED MANIFOLD P/N 50T120 AND CLAMPS P/N 53T422-01.