# SDR ASAA2015040211222

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2015
- Submitted: April 6, 2015
- Operation: Air carrier
- Aircraft: [N435AS](https://openairdocs.org/aircraft/N435AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43292
- Aircraft time: 5,545 hours, 1,838 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Condition: Faulted
- Location: Lt A/C Pack
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015040211222

## Discrepancy

TAXIING OUT, ON RECALL LT PACK LIGHT ILLUMINATES, GOES OUT WITH RECALL. WITH MEL 21-5D ALREADY APPLIED, MAINTENANCE CONTROL HAD US RETURN TO GATE.  ACFT GROUNDED. ACCOMPLISHED BITE TEST OF LT PACK/ZONE TEMP CONTROLLER IAW AMM 21-61-00-700-806-002. ALL OPS TESTS AND VERIFY CHECK NORMAL.  NO DEFECTS NOTED.

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