# SDR ASAA2012111993321

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2012
- Submitted: November 21, 2012
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 22,324 hours, 6,700 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: A/C Pack
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012111993321

## Discrepancy

RT A/C PACK LIGHT COMES ON WITH M/C RECALL.  COULD NOT DUPLICATE. ACCOMPLISHED MM21-61-00. NR 1 & 2 TEMP CONTROLLER BITE CK.  BITE, FLT, & VERIFY ALL GO, NO FAULTS LOGGED.  OPERATED RT A/C PACK FOR 30 MINUTES,  PACK LIGHT DID NOT COME BACK.  GROUND VERIFICATION OF RT PRIM TEMP CONT.  OPS CK NORMAL.

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