# SDR ASAA2016101718377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2016
- Submitted: October 19, 2016
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 24,982 hours, 7,491 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: CL
- 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/ASAA2016101718377

## Discrepancy

A/C PACK LIGHT ILLUMINATED DURING CLIMB, ACCOMPLISHED QRH,  A/C PACK LIGHT EXTINGUISHED WHEN MASTER CAUTION WAS RESET.  ACFT GROUNDED.  NR 2 CONTROLLER LOGGED TCV FAULT.  ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE PROCEDURES IAW AMM TASK 21-51-00-700-803 AND FAULT CLEARED.  BOTH AUTO CONTROLLERS BITE TEST OPS CHECKED GOOD. NO EXISTING FAULT.

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