What was found
LEFT PACK LIGHT ILLUMINATED ON RECALL ON MASTER CAUTION RESET. RESET THE LIGHT GOES OUT. GROUNDED - YES. REMOVED & REPLACED TCV AFT LEFT PACK IAW B737-800 AMM 21-51-10/401 FAULT CLEARED. OPS CK NORMAL.
- Difficulty date
- September 1, 2023
- Submitted
- September 5, 2023
- Operation
- Air carrier
- Aircraft
- N586AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 56,849 hours, 17,096 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Modulating Valve
- Part number
- 3989083
- Part serial
- 11847
- Condition
- Faulty
- Location
- Left Ecs Bay
- Part time
- 46,103 hours, 15,940 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.