# SDR ASAA2012061192327

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2012
- Submitted: June 13, 2012
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 21,817 hours, 6,616 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: Illuminated
- Location: Lt A/C Pack
- Stage of operation: TX
- 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/ASAA2012061192327

## Discrepancy

LT PACK LIGHT ILLUMINATED ON RECALL.   LT PACK LIGHT EXTINGUISHED WHEN MASTER CAUTION RESET.  ACCOMPLISHED FIM TASK 21-62-00-810-801, PACK/ ZONE TEMP CONTROLLER BITE TEST.  TCV LIGHT ILLUMINATED ON TEMP CONTROLLER NR 1.  LIGHT RESET ON BITE TEST - INTERMITTENT FAULT. OK FOR CONT SERVICE.

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