# SDR AALA20161213026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2016
- Submitted: December 13, 2016
- Operation: Air carrier
- Aircraft: [N916NN](https://openairdocs.org/aircraft/N916NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31163
- Aircraft time: 12,721 hours, 4,933 cycles
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Tube
- Condition: Loose
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: M, J, B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20161213026

## Discrepancy

AIRCRAFT WAS GROUNDED. AIR INTERRUPT, DFW-MCO. EMERGENCY DECLARED. LANDING UNEVENTFUL. AIRCRAFT OVERWEIGHT. DURING CLIMB THE NR 2 ENGINE OVERHEAT ANNUNCIATOR ILLUMINATED ACCOMPANIED BY A MILD BURNING SMELL. MAINTENANCE FOUND THE NR 2 ENGINE STAGE NINE INLET TUBE LOOSE AND GASKET BLOWN OUT. INSTALLED NEW GASKET AND RESECURED INLET TUBE IAW AMM 75-21-00. LEAK AND OPERATIONAL CHECKS NORMAL. SEE ALSO AALA201612130027.

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