What was found
LEFT PACK LIGHT ILLUMINATED ON RECALL AND EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. REMOVED & REPLACED THE LEFT PACK TCV IAW AMM 21-61-21. GROUND VERIFICATION SUCCESSFUL, OPS CHECK NORMAL.
- Difficulty date
- July 2, 2017
- Submitted
- July 5, 2017
- Operation
- Air carrier
- Aircraft
- N464AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 12,713 hours, 4,150 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989085
- Part serial
- 20993
- Condition
- Failed
- Location
- Lt A/C Pack
- Part time
- 11,307 hours, 3,575 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.