What was found
LT PACK LIGHT ILLUMINATED AT GATE. ACFT GROUNDED. FOUND LT PACK TCV FAULT ON NR 1 PACK/ZONE TEMP CONT AND LT PACK STBY TCV FAULT ON NR 2 PACK/ZONE TEMP CONT. REPLACED LT PACK TCV IAW MM 21-51-10. GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- April 14, 2015
- Submitted
- April 16, 2015
- Operation
- Air carrier
- Aircraft
- N569AS
- Make and model
- Boeing 737490
- Aircraft serial
- 35184
- Aircraft time
- 31,055 hours, 9,688 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Valve
- Part number
- 3989084
- Part serial
- 9779
- Condition
- Malfunctioned
- Location
- Lt A/C Pack
- Part time
- 24,619 hours, 7,408 cycles
- Stage of operation
- TX
- 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.