# SDR CALA2015011392954

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2015
- Submitted: January 13, 2015
- Operation: Air carrier
- Aircraft: N516UA
- Make and model: Boeing 757222
- Aircraft serial: 24860
- Aircraft time: 77,840 hours, 28,763 cycles
- Engine: Pwa PW2037
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Sensor
- Condition: Faulty
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2015011392954

## Discrepancy

APU ALTITUDE NO START VERIFICATION.  APU ROTATES BUT NO EGT INDICATIONS DURING START.  REPLACED OIL TEMP SENSOR IAW AMM -49-94-01.

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