What was found
DURING FLIGHT, THE LT PACK LIGHT ILLUMINATED, ONLY ON RECALL. THE LIGHT WENT OUT UPON MASTER CAUTION RESET. ACFT GROUNDED. LT PACK . BITE CHECKED AND TEMP CONTROL TCV AT FAULT. REMOVED AND REPLACED TEMP CONTROL VALVE IAW AMM 21-51-10.
- Difficulty date
- August 9, 2017
- Submitted
- August 11, 2017
- Operation
- Air carrier
- Aircraft
- N562AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35091
- Aircraft time
- 41,864 hours, 12,455 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989085
- Part serial
- 20534
- Condition
- Failed
- Location
- Lt A/C Pack
- Part time
- 12,319 hours, 3,622 cycles
- Stage of operation
- CR
- 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.