# SDR ASAA2016092118094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2016
- Submitted: September 23, 2016
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 13,745 hours, 4,455 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Malfunctioned
- Location: Left
- 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/ASAA2016092118094

## Discrepancy

AFTER START LEFT PACK LIGHT ILLUMINATED UPON RECALL.  EXTINGUISHED AFTER PRESSING MASTER CAUTION RESET.  ACFT GROUNDED.  NR 1 TEMP CONTROL LOGGED RAM AIR ACT FAULT.  ACCOMPLISHED  AMM 21-61-00-700-806-002. SYSTEM TESTS GOOD.

---
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.
