What was found
WHILE ACCOMPLISHING ASA T/C N8436001 FOUND PRE COOLER VALVE BAD. GROUNDED - YES. REMOVED AND REPLACED PCV FOR #1 ENG REF B737-900 AMM 36-12-02.
- Difficulty date
- December 28, 2022
- Submitted
- December 30, 2022
- Operation
- Air carrier
- Aircraft
- N464AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 32,714 hours, 10,157 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Part number
- 32895626
- Part serial
- 9396
- Condition
- Failed
- Location
- #1 Eng Precooler
- Part time
- 2,616 hours, 806 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.