What was found
#1 ENG HIGH STAGE VALVE REQ REPLACEMENT DUE TO VALVE LOCKING BOLT HEAD SHEARING. GROUNDED - YES. REMOVED AND REPLACED HIGH STAGE VALVE PER B737-800 AMM 36-11-06.
- Difficulty date
- October 6, 2022
- Submitted
- October 7, 2022
- Operation
- Air carrier
- Aircraft
- N596AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35688
- Aircraft time
- 51,489 hours, 15,356 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Lock Bolt
- Part number
- 32144464
- Part serial
- 4482
- Condition
- Sheared
- Location
- #1 Engine
- Part time
- 81,496 hours, 35,952 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.