What was found
LEFT PACK LIGHT ILLUMINATED ON MASTER CAUTION AND RESETS UPON MASTER CAUTION RESET. ACFT GROUNDED. REMOVED AND REPLACED TCV IAW AMM 21-51-10.
- Difficulty date
- July 12, 2017
- Submitted
- July 14, 2017
- Operation
- Air carrier
- Aircraft
- N469AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41702
- Aircraft time
- 11,803 hours, 3,905 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 13898
- Condition
- Failed
- Location
- Lt A/C Pack
- Part time
- 27,094 hours, 8,376 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.