SDR HALA2008110300837

Service difficulty report · Oil Filter · Boeing 76733A

Difficulty date: November 3, 2008
Submitted: November 4, 2008
Operation: Air carrier
Aircraft: N591HA
Make and model: Boeing 76733A
Aircraft serial: 33423
Aircraft time: 22,096 hours, 4,267 cycles
Engine: Pwa PW4090
System (JASC): 7920 · Engine Oil Distribution (Airframe Furnished)
Part: Oil Filter
Condition: Unknown
Location: Oil System
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: K

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

What was found

ETOPS SIGNIFICANT SYSTEM - L OIL FILTER ADVISORY LIGHT EICAS MESSAGE L OIL FILTER. DISAPPEARED WITH THRUST REDUCTION, ADVISORY REMAINED. ACCMP FIM TASK 79-35-00, REPLACED THE MAIN OIL FILTER, RAN ENG OPER NORMAL. LEAK CHECKED OK PER AMM 79-21-05/401.

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