# SDR ASAA2016100818231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2016
- Submitted: October 10, 2016
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 31,042 hours, 9,357 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: Illuminated
- Location: Lt A/C Pack
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016100818231

## Discrepancy

LEFT PACK LIGHT ILLUMINATED ON RECALL AND DID EXTINGUISH WHEN MASTER CAUTION RESET.  ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE IAW FIM 21-62 TASK 801, ZONE TEMP CONT NR 1 FAULTED TCV AND ZONE TEMP CONT #2 FAULTED ZONE TRIM VALVE, CLEARED BOTH FAULTS RETESTED AND FAULTS DID NOT COME BACK, LEFT PACK LIGHT DOES NOT ILLUMINATE ON RECALL, NO HISTORY 60 DAYS, GROUND VERIFICATION SUCCESSFUL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.