# SDR ASAA2015112914022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2015
- Submitted: December 1, 2015
- Operation: Air carrier
- Aircraft: [N407AS](https://openairdocs.org/aircraft/N407AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41731
- Aircraft time: 12,049 hours, 3,826 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 041510000
- Condition: Failed
- Location: Pax Cabin
- 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/ASAA2015112914022

## Discrepancy

AFT TEMPERATURE SENSOR FAN LOUD BUZZING.  ACFT GROUNDED.  R & R AFT TEMP SENSOR FAN IAW AMM 21-61-11.  OPS CHECK NORMAL.

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