What was found
LEFT PACK LIGHT ILLUMINATES DURING RECALL RESETS WHEN MASTER CAUTION PUSH TO RESET IS PRESSED. GROUNDED - YES. REMOVED AND REPLACED TEMP CONTROL VALVE REF B737-800 AMM 21-51-10-401. OPS CHECK GOOD.
- Difficulty date
- February 4, 2021
- Submitted
- February 9, 2021
- Operation
- Air carrier
- Aircraft
- N562AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35091
- Aircraft time
- 53,083 hours, 15,729 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Modulating Valve
- Part number
- 3989083
- Part serial
- 10676
- Condition
- Inoperative
- Location
- Lt A/C Pack
- Part time
- 44,792 hours, 13,575 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.