# SDR ASAA1159729

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2011
- Submitted: June 2, 2011
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 18,166 hours, 5,665 cycles
- System (JASC): [4970 · APU Indicating System](https://openairdocs.org/jasc/4970)
- Part: Bulb
- Part number: MS280341
- Condition: Defective
- Location: Apu
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1159729

## Discrepancy

APU TREND DATA CONTINUES TO REPORT CT5ATP EGT TEMPS THAT ARE HIGHER THAN EXPECTED.  REPLACED T2 APU INLET TEMPERATURE REF AMM TASK 49 61 31.

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