What was found
AFTER START RECALL, LEFT PACK ILLUMINATED, RESETS WITH M.C. RESET. GROUNDED - YES. ACCOMPLISHED BITE CK & FOUND TCV FAILED REMOVED & REPLACED L/H PACK TCV REF B737-900 AMM 21-51-10 OPS & LK CK GOOD. REACCOMP BITE CK NO FAULTS FOUND.
- Difficulty date
- November 8, 2021
- Submitted
- November 10, 2021
- Operation
- Air carrier
- Aircraft
- N486AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 22,757 hours, 7,260 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 13496
- Condition
- Failed
- Location
- Left Ecs Bay
- Part time
- 39,685 hours, 12,239 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.