# SDR ASAA0956192

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2009
- Submitted: July 14, 2009
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 11,657 hours, 3,322 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0956192

## Discrepancy

AIR COND AND PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL AFTER ENGINE START.  PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST REF AMM 21 51 00 700 803, NO FAULTS NOTED.  OPS CHECK GOOD.

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