Service difficulty report · Oil System · Boeing 757222

Difficulty date
July 2, 2010
Submitted
July 2, 2010
Operation
Air carrier
Aircraft
N539UA
Make and model
Boeing 757222
Aircraft serial
25223
Aircraft time
63,281 hours, 23,202 cycles
Engine
Pwa PW2040
Engine time
61,739 hours, 20,714 cycles
Part
Oil System
Condition
Leaking
Location
Nr 2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
E, A

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

What was found

NR 2 ENG OIL ISSUE, FLIGHT DIVERTED. NR 2 ENG OIL LOSS WITH OIL TEMP RISING. PULLED INTERMEDIATE COMP BLEED VALVE FOR OIL PRESENCE. FOUND OIL BEHIND 7TH STAGE CHECK VALVE, CHECK VALVE HAS ONE CLAMP NOT SECURED. REMOVED ENGINE AND ACCOMPLISHED FIREWALL INSP. METAL FOUND ON SEVERAL CHIP DETECTORS. REPLACED ENGINE IAW AMM.