# SDR ASAA2018060862958

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2018
- Submitted: June 8, 2018
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 44,174 hours, 13,271 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Bulb
- Part number: MS280341
- Condition: Failed
- Location: Rt 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/ASAA2018060862958

## Discrepancy

TEMPERATURE INDICATION NOT CORRECT FOR THE RIGHT PACK, ALL SUPPLY & PASSENGER TEMPS APPEAR NORMAL.  LEFT PACK TEMP WAS NORMAL.  ACFT GROUNDED.  REMOVED AND REPLACED THE PACK TEMPERATURE BULB T489 IAW AMM 21-51-60. OPS CHECKED GOOD.

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