- Difficulty date
- September 11, 2023
- Submitted
- September 15, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7379
- Aircraft serial
- 43314
- Aircraft time
- 6,504 hours, 1,894 cycles
- Part
- Valve
- Part number
- 632920682
- Condition
- Unknown
- Location
- #1 Engine
- Stage of operation
- IN
- How discovered
- O
- 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
#1 ENG HPSOV MANUAL LOCK BOLT HELICOIL INSERT UNTHREADED FROM VALVE. MIG 2C 40-0051333 INIT. GROUNDED - YES. INSTALLED NEW HELICOIL INSERT IN HPSOV VALVE. REF HONEYWELL CMM 36-11-82 2G PAGE 6004. 74772. REINSTALLED #1 ENG HPSOV REF AMM 36-11-07. OPS CHECK, LEAK CHECK GOOD. MIG 2C 40-0051333 CLOSED.