What was found
LEFT AC PACK LIGHT ILLUMINATED DURING RECALL. ACFT GROUNDED. REPLACED TRIM AIR MODULATING VALVE REF AMM 21-61-21. OPS VERIFIED GOOD. TRIM AIR VALVE REPAIRED, DEFECT.
- Difficulty date
- September 20, 2013
- Submitted
- September 23, 2013
- Operation
- Air carrier
- Aircraft
- N408AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41732
- Aircraft time
- 3,084 hours, 972 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Valve
- Part number
- 3989084
- Part serial
- 18561
- Condition
- Warning Message
- Location
- A/C Pack
- Part time
- 3,074 hours, 969 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.