# SDR ASAA2015030510873

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2015
- Submitted: March 9, 2015
- Operation: Air carrier
- Aircraft: [N568AS](https://openairdocs.org/aircraft/N568AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35183
- Aircraft time: 30,730 hours, 9,527 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Bulb
- Part number: MS280341
- Condition: Failed
- Location: Lt A/C Pack Temp
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015030510873

## Discrepancy

WITH AIR TEMP SELECTOR SELECTED TO LT PACK, GAGE INDICATES OFF SCALE LOW.  ACFT GROUNDED.  VERIFIED DISCREPANCY.  REPLACED LT PACK TEMP BULB, T488.  REPAIR CONFIRMATION SATISFACTORY REF FIM 21-61/854.

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