What was found
LEFT PACK LIGHT ILLUMINATES ON RECALL. ACFT GROUNDED. NR 1 CONTROL SHOWS TRIM CONTROL VALVE THIS PACK FAULT ON BIT PREV FLT & VERIFY BIT TEST. REPLACED TCV IAW AMM 21-51-10. PERFORMED GROUND VERIFICATION, OPS CHECKS GOOD.
- Difficulty date
- September 25, 2013
- Submitted
- September 27, 2013
- Operation
- Air carrier
- Aircraft
- N512AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39043
- Aircraft time
- 19,679 hours, 6,096 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 2402
- Condition
- Failed
- Location
- Lt A/C Pack
- Part time
- 51,063 hours, 26,064 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.