- Difficulty date
- February 21, 2023
- Submitted
- February 22, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 36,276 hours, 11,576 cycles
- Part
- Gasket
- Part number
- 1882M11P01
- Condition
- Dislodged
- Location
- #1 Engine
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CHANGING THE #1 ENG 3 O'CLOCK STRUT WIRING HARNESS REF TSR713877 FOUND LPT DUCT GASKET DISLODGED FROM LPT MANIFOLD DOWNSTREAM OF LPTACC VALVE. GROUNDED - YES. REPLACED LPT DUCT GASKET PER B737-900 AMM SUBTASK 75-22-04-420-009-F00. LEAK CHECKED OKAY.