Service difficulty report · Oil Filter · Boeing 737924ER

Difficulty date
December 25, 2024
Submitted
December 26, 2024
Operation
Air carrier
Aircraft
N73445
Make and model
Boeing 737924ER
Aircraft serial
40000
Aircraft time
43,197 hours, 15,677 cycles
Engine
Cfmint CFM567B263
Part
Oil Filter
Part number
QA06422
Condition
Faulty
Location
Nr 2 Engine
Stage of operation
DE
How discovered
V
Nature of condition
O
Precautionary procedure
B, E

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

What was found

NUMBER 2 ENGINE FILTER BYPASS. LIGHT BECAME STEADY. ENGINE SHUT DOWN. BITE FOR BYPASS OR OIL SCREEN. CREW BRIEFING: LIGHT BECAME STEADY WHEN E2 WAS BROUGHT TO IDLE. ENGINE NEVER LEFT NORMAL OPERATING LIMITS. CREW SHUT DOWN E2 FOLLOWING HIS QRH. NO LIMIT ON WINDMILLING SINCE THE ENGINE NEVER LEFT ITS NORMAL OPERATING LIMITS. NO FAULTS ON EEC OR CDU C/W GMM IDT MCD, NO FINDINGS WERE NOTE AT THIS TIME. PER FIM 79-05 TASK 817 OIL BYPASS MESSAGE SHOWS ON ENGINE DISPLAY, PERFORMED MAIN AND SCAVAGE SCREENS AND CHIP DETECTORS IRW 79-00-00-200.. NO FINDINGS FOUND. PERFORMED FIM TASK 79-05 TASK 817. SCAVENGE OIL FILTER ELEMENT NO FAULTS, ENGINE 2 RAN WITHIN OPERATING LIMITS PER TASK REPLACED PER AMM 79-21-06-000-801-F00. ALSO CHANGED OIL FILTER 71-00-00-800-806-F00. NO FINDINGS WERE FOUND ON SCAVENGER FILTER CLOGGING TRANSMITTER PER 79-21-07/401 AMM AS PRECAUTIONARY. LEAKS CHECKS OK. IDLE RUN FOR 40 MINUTES, NO BYPASS INDICATION,