What was found
FOLLOW UP TO REPORTS OF #1 ENGINE HUNG START. CHECK OF THE #2 ENGINE 5TH STAGE CHECK VALVE. GROUNDED - YES. REPLACED 5TH STAGE CK VALVE PER B737-800 AMM 36-11-02/401 WITH ALL NEW CLAMPS AND E-SEALS.
- Difficulty date
- February 12, 2023
- Submitted
- February 16, 2023
- Operation
- Air carrier
- Aircraft
- N565AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 59,151 hours, 17,622 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Part number
- 32022221
- Part serial
- 5207
- Condition
- Faulty
- Location
- #1 Engine
- Part time
- 7,926 hours, 2,320 cycles
- 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.