Service difficulty report · Unknown · Boeing 757222

Difficulty date
December 20, 2011
Submitted
December 22, 2011
Operation
Air carrier
Aircraft
N507UA
Make and model
Boeing 757222
Aircraft serial
24743
Aircraft time
71,097 hours, 26,940 cycles
Engine
Pwa PW2037
Part
Unknown
Condition
Leaking
Location
Lt Engine
Stage of operation
IN
How discovered
O
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

CREW REPORT: DARK FLUID DRIPPING 1 DROP EVERY 10 SECONDS FROM LEFT ENGINE. SAMC TEXT: REF AMM 71-71-00 (601) FOR ENGINE DRAINS LEAK RATE LIMITS, IDENTIFY LEAKY COMPONENT, NOTIFY OPBLM TOMC-EMC WITH FINDINGS. OPBLM EMC 20DEC11. CREW ACCOMPLISHED LEFT ENGINE IDLE RUN, MAINT ENG RUN BY FLT CREW CHECK LIST COMPLETED WITH CREW, MAINT & NOC DIRECTOR, LCL MAINT REPORTS EVIDENCE OF OIL WETNESS AT DE-OILER BREATHER OUTLET, OIL CONSUMPTION IS NORMAL, WITHIN LIMITS OF AMM79-00-95 PARA 6E & 6F ON PAGE 203-204. NO LEAKS NOTED AT IDLE RUN, LCL MAINT, OPBLM TOMC-EMC 20DEC1 1.