What was found
ON RECAL ZONE TEMP CONT CAB ILLUMINATED EXTINGUISHES ON RESET. GROUNDED - YES. REPLACED CONTROL CABIN TRIM AIR VALVE OPS CHECK / BITE CHECK GOOD IN REF TO B737-800 AMM 21-61-21.
- Difficulty date
- December 2, 2022
- Submitted
- December 5, 2022
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 60,246 hours, 17,511 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Modulating Valve
- Part number
- 3989085
- Part serial
- 30397
- Condition
- Faulted
- Location
- Lt Acm
- Part time
- 11,755 hours, 3,875 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.