# SDR AALA20161220012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2016
- Submitted: December 23, 2016
- Operation: Air carrier
- Aircraft: [N9624T](https://openairdocs.org/aircraft/N9624T), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53594
- Aircraft time: 53,014 hours, 25,901 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Valve
- Part number: DC62E10SLJ3SN
- Condition: Faulty
- Location: Zone 400
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20161220012

## Discrepancy

FLIGHT RETURNED TO DEPARTURE FOR A TAIL COMPARTMENT OVERHEAT INDICATION WARNING.  EMERGENCY DECLARED. UNEVENTFUL LANDING.  AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED RIGHT AUGMENTATION VALVE IAW MCM CARD 5770-20. LEAK CHECK IAW MCM CARD 5770-20 AND MCM CARD 5461.  OPERATIONAL CHECKED GOOD.

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