- Difficulty date
- March 28, 2021
- Submitted
- March 30, 2021
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35682
- Aircraft time
- 49,920 hours, 14,795 cycles
- Engine
- Cfmint CFM567B27B3
- Part
- Gearbox
- Part number
- 3400507050
- Part serial
- VZ3066
- Condition
- Leaking
- Location
- Nr 1 Engine
- Part time
- 43,303 hours, 12,755 cycles
- Stage of operation
- IN
- How discovered
- V
- 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
REPEAT OIL LEAKING #1 ENG ONTO FMU PUDDLING. GROUNDED - YES. REMOVED TGB REF B737-800 AMM 72-62-00-000-801-F00, INSTALLED SERVICEABLE TGB REF AMM 72-62-00-400-801-F00. ACCOMPLISHED TEST 3 B OF AMM 71-00-00-700-023-F00 REF ALSO AMM 72-62-00-400-801-F00.