# SDR ASAA12511468

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2012
- Submitted: April 30, 2012
- Operation: Air carrier
- Aircraft: [N512AS](https://openairdocs.org/aircraft/N512AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39043
- Aircraft time: 13,942 hours, 4,421 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 38007021
- Part serial: P7974
- Condition: Overtemp
- Location: Aft
- Part time: 3,948 hours, 6,615 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA12511468

## Discrepancy

APU TEMPERATURE CONTINUES TO BE ABOVE THE ESTABLISHED TEMP ON DEMAND THRESHOLD.  ACFT GROUNDED.  REPLACED THE APU IAW MM 49-11-00 AND T/C 78349010.

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