# SDR ASAA2018011823219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2018
- Submitted: January 23, 2018
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 39,138 hours, 11,937 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Condition: Malfunctioned
- Location: Ac Bay
- Stage of operation: NR
- 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/ASAA2018011823219

## Discrepancy

RIGHT PACK LIGHT ILLUMINATES DURING MASTER CAUTION RECALL CHECK. LIGHT EXTINGUISHES WHEN RESET. GROUNDED - YES. VERIFIED RIGHT PACK LIGHT REMAINS ON. ACCOMPLISHED NR 2 TEMP CONTLR BITE CHECK, FOUND TCV THIS PACK FAIL LIGHT ON. RESET CONTROLLER AND BITE CHECK PASS, NO FAULTS REF FIM 21-62 TASK 801. VERIFIED PACK LIGHT REMAINS OFF.

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