Service difficulty report · Wire Harness · Boeing 747422

Difficulty date
June 2, 2005
Submitted
June 14, 2005
Operation
Air carrier
Aircraft
N197UA
Make and model
Boeing 747422
Aircraft serial
26901
Aircraft time
30,601 hours, 3,874 cycles
Engine
Pwa PW4056
Engine time
50,143 hours, 6,701 cycles
Part
Wire Harness
Condition
Burned
Location
Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

WIRE BUNDLE APPEARS BURNED UNDER CLAMP, AFT OF LEFT 2.9 BLEED VALVE AT BRACKET. CLOSER RE-EXAMINATION DISCLOSED THAT HARNESS WAS NOT BURNED. IT HAD BEEN OVERSPRAYED BY SOME UNKNOWN SUBSTANCE. NO CORRECTIVE ACTION REQUIRED.