What was found
AFTER TAKEOFF, LT PACK LIGHT ILLUMINATED. FOLLOWED QRH. DID NOT RESET. LT PACK TURNED OFF IAW QRH. ACFT GROUNDED. REPLACED NR 1 TEMP CONTROL VALVE IAW AMM 21-51-10, OPS CHECKED GOOD.
- Difficulty date
- October 9, 2014
- Submitted
- October 13, 2014
- Operation
- Air carrier
- Aircraft
- N435AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43292
- Aircraft time
- 3,744 hours, 1,200 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989084
- Part serial
- 20383
- Condition
- Failed
- Location
- Lt A/C Pack
- Part time
- 3,728 hours, 1,196 cycles
- Stage of operation
- CL
- 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.