# SDR ASAA2018123027627

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2018
- Submitted: January 3, 2019
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 47,551 hours, 14,053 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Hinge
- Condition: Lack Of Lube
- Location: Ram Air Door
- 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/ASAA2018123027627

## Discrepancy

THE LEFT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. THE LIGHT EXTINGUISHED ON RESET. GROUNDED - YES. LEFT PACK PRIMARY TEMP CONTROLLER INOP. CLEANED AND LUBED LT RAM AIR DOOR HINGES. TESTED PACK SYSTEM THREE TIMES WITH NO FAULTS. REF FIM 21-63 TASK 801.

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