Service difficulty report · Oil System · Boeing 7879

Difficulty date
October 29, 2020
Submitted
October 30, 2020
Operation
Air carrier
Aircraft
N29981
Make and model
Boeing 7879
Aircraft serial
66142
Aircraft time
855 hours, 114 cycles
Engine
Ge GENX1B54
Part
Oil System
Condition
Malfunctioned
Location
Engine
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

ENGINE OIL SYSTEM RT ENGINE OIL PRESSURE IS LOW INDICATING PROBLEM WITH ENGINE OIL PUMP. FIM TASK REF: G73-90-F8-04A-421C-A CMC MESSAGE 7332682 FLIGHT STATUS: A INTERMITTENCE CODE: M PH: CLIMB NARRATIVE: ELECTRONIC ENGINE CONTROL CHAN-A (RIGHT ENGINE) CMC MESSAGE 7332682 FLIGHT STATUS: A INTERMITTENCE CODE: M PH: CLIMB NARRATIVE: FOUND POPED OUT RT ENGINE OIL TANK FILLING CAP. CHECKED AND REPLACED OIL FILTER ELEMENT, PER DMC-B787-A-G79-21-07-00B-520A-A AND REPLACED ENGINE OIL TANK FILLING CAP AND SCUPPER ASSEMBLY, PER DMC-B787-A-G79-11-03-00A-720A-A. ACCOMPLISHED ENGINE RUN AND NO LEAK FOUND.

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