What was found
DURING ENGINE WASH OF #1 ENG FOUND BOLT ON HPSOV LOCKOUT WORN. GROUNDED - YES. REMOVED AND REPLACED HPSOV PER B737-9 AMM 36-11-07. PERFORMED OPS CHECK AND LEAK CHECK. ALL CHECKS GOOD. NO OTHER DEFECTS OR DISCREPANCIES NOTED.
- Difficulty date
- June 4, 2023
- Submitted
- June 5, 2023
- Operation
- Air carrier
- Aircraft
- N928AK
- Make and model
- Boeing 7379
- Aircraft serial
- 44099
- Aircraft time
- 5,020 hours, 1,445 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Part number
- 632920682
- Part serial
- 2755
- Condition
- Worn
- Location
- #1 Engine
- Part time
- 5,017 hours, 1,444 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.