SDR 2026F00022

Service difficulty report · O-Ring · Boeing 737800*

Difficulty date
March 1, 2026
Submitted
March 6, 2026
Operation
General aviation
Make and model
Boeing 737800*
Aircraft serial
39945
Aircraft time
39,857 hours, 16,039 cycles
Engine
Cfmint CFM567B273B1
Engine time
43,544 hours, 24,665 cycles
Part
O-Ring
Condition
Leaking
Location
Oil Sys
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

DURING INITIAL CLIMB THE ENGINE 1 INDICATES LOW OIL QUANTITY, SHOWING 3 IN TOTAL . WORK PERFORMED IAW AMM 79-00-00-200-802-F00 AND OIL LEAK WAS IDENTIFIED ON OIL NOZZLE PLUG. CONSIDERING THE FINDING WORKS PERFORMED IAW AMM 70-30-01-910-802-F00: REPLAEMENT OF PACKING O-RINGS FROM "TGB OIL NOZZLE". IN ADITTION ENGINE #1 RUN UP WAS PERFORMED IAW AMM 71-00-00-700-823-F00. NO LEAKS WERE FOUND AFTER CORRECTIVE MEASURES

More about the Boeing 737-800