What was found
DURING AFTER START CHECK LEFT PACK LIGHT ILLUMINATED ON RECALL. LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED LEFT TCV, V141 B737-800 AMM 21-51-10.
- Difficulty date
- April 8, 2023
- Submitted
- April 12, 2023
- Operation
- Air carrier
- Aircraft
- N529AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35198
- Aircraft time
- 45,873 hours, 13,541 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Modulating Valve
- Part number
- 3989058
- Part serial
- 22238
- Condition
- Faulted
- Location
- Lt Ecs Bay
- Part time
- 27,357 hours, 5,408 cycles
- Stage of operation
- TX
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.