# SDR ASAA2016051716775

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2016
- Submitted: May 19, 2016
- Operation: Air carrier
- Aircraft: [N477AS](https://openairdocs.org/aircraft/N477AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40716
- Aircraft time: 3,787 hours, 1,213 cycles
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Sensor
- Part number: MS280341
- Condition: Failed
- Location: Inlet Temp
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016051716775

## Discrepancy

APU FAULT LIGHT ILLUMINATED AFTER APU SHUTDOWN AT CONCLUSION OF ENGINE START. ACFT GROUNDED.  R & R INLET TEMP SENSOR.  OPS CHECK GOOD REF AMM 49-61-31.

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