Service difficulty report · Oil Cap · Boeing 7379

Difficulty date
November 26, 2025
Submitted
November 28, 2025
Operation
Air carrier
Aircraft
N37562
Make and model
Boeing 7379
Aircraft serial
67591
Aircraft time
8,886 hours, 2,990 cycles
Engine
Cfmint LEAP1B28
Part
Oil Cap
Condition
Open
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

OIL QUANTITY INDICATED 30-34 PERCENT ON CLIMB OUT AND LEVEL OFFENG2 SN. 603861 (TSI= 8882 HRS / 2988 CYC). A/R CREW REPORTS: RT ENG OIL QTY 34%, LT 82, WAS NORMAL ON T-OFF ROLL & CLB OUT, TEMPS L91, R91, PRESS L67 R74., REPORT FINDINGS TO ESCPP & TOMC-EMC. UPON ARRIVAL THE NR 2 ENGINE OIL CAP WAS DISCOVERD IN THE OPEN POSITION. VISUAL INSPECTION OF THE #2 ENGINE IS DRY . SERVICED ENGINE OIL IAW AMM 12-13-11. NR 1 ENGINE TOOK 1 QUART AND #2 ENGINE 2 TOOK 13 QUARTS, BAGGED DRAIN LINES FROM GEARBOX, PERFORMED PART POWER RUN REF AMM 71-00-00. OIL INDICATION BEFORE START E1 95% E2 100%. POST ENGINE RUN FINDINGS INSIGNIFICANT, DRAIN LINE BAGS CONTAINED MINIMAL RESIDUE AND OIL QUANTITY 100% FOR BOTH ENGINES. ACCOMPLISHED PART 1 OF ECRA 7900-01548. REFERENCE LOGPAGE 7086373 FOR WORK PERFORMED. NO LEAKS NOTED. PERFORM PART 2 OF EC/RA #7900-01548 INSPECTION REQUIREMENTS REPETITIVELY ON AN INTERVAL NO LESS THAN 125 AND NO MORE THAN 150 FLIGHT CYCLES, AND PART 3 PERMANENT REPAIR WITHIN 5,007 FLIGHT CYCLES.

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