What was found
DURING RECALL, RT PACK LIGHT ILLUMINATED AND EXTINGUISHED DURING RESET. ACFT GROUNDED. VERIFIED TCV FAULT ON BITE OF NR 2 ZONE TEMP CONTROLLER. REPLACED NR 2, RT TCV IAW AMM 21-51-10/401. NR 2 TCV OPS CHECKS GOOD.
- Difficulty date
- June 9, 2015
- Submitted
- June 13, 2015
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 6,404 hours, 2,704 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989084
- Part serial
- 5240
- Condition
- Malfunctioned
- Location
- Rt A/C Pack
- Part time
- 41,091 hours, 24,447 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.