What was found
WHILE ACCOMPLISHING T/C 72-ASA-03. ENGINE CLEANING, THE LOCK BOLT ON HPSOV CAME OUT WITH HELI-COIL ATTACHED. GROUNDED - YES. REMOVED AND REPLACED HPSOV VALVE ASSY PER B737-AMM 36-11-07/401. FOR # 2 ENGINE. OPS TEST/CHECK GOOD.
- Difficulty date
- July 1, 2023
- Submitted
- July 3, 2023
- Operation
- Air carrier
- Aircraft
- N972AK
- Make and model
- Boeing 7379
- Aircraft serial
- 43389
- Aircraft time
- 5,177 hours, 1,475 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Pressure Valve
- Part number
- 632920682
- Part serial
- 1359
- Condition
- Detached
- Location
- #2 Engine
- Part time
- 5,175 hours, 1,474 cycles
- 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.