SDR ASMF201402005

Service difficulty report · Lubrication Unit · Boeing 7377BK

Difficulty date: December 31, 2013
Submitted: February 14, 2014
Operation: Air carrier
Aircraft: N126AM
Make and model: Boeing 7377BK
Aircraft serial: 30617
Aircraft time: 37,867 hours, 17,886 cycles
System (JASC): 7920 · Engine Oil Distribution (Airframe Furnished)
Part: Lubrication Unit
Part number: 41F1005
Part serial: VT000134R
Condition: Leaking
Location: Lt Engine
Part time: 29,123 hours, 14,889 cycles
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

DURING 500 HOURS CHECK, DETECTED AN OIL LEAK ON BOTH ENGS. MX PERSONNEL PERFORMED ENG LEAKING INSPECTION IAW AMM 73-21-00 DETECTING OIL LEAK IN THE LUBRICATION UNIT OF BOTH ENGS. THE LT LUBRICATION UNIT WAS REPLACED & THE RT LUBRICATION UNIT SEAL WAS REPLACED IAW AMM 79-21-01 & BOTH ENGS WERE RUN IAW AMM 71-00-00, TEST 3A, ALL CORRECT.

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