# SDR AALA20170321006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2017
- Submitted: March 24, 2017
- Operation: Air carrier
- Aircraft: [N434AA](https://openairdocs.org/aircraft/N434AA), registered now
- Make and model: Doug MD 83
- Registry model: [Doug MD 83](https://openairdocs.org/model/mcdonnell-douglas-md-83) (OpenAirDocs)
- Aircraft serial: 49452
- Aircraft time: 89,199 hours, 42,366 cycles
- Engine: Pwa JT8D217A
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Bolt
- Condition: Worn
- Location: Anti Ice Valve
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20170321006

## Discrepancy

FLIGHT DIVERTED DUE TO AN AIRFRAME VIBRATIONS BETWEEN THE AFT LAVATORIES.  UNEVENTFUL LANDING.  LEFT ENGINE ANTI-ICE VALVE MOUNTING BOLT WORN AND LOOSE.  REMOVED AND REPLACED WITH NEW HARDWARE IAW AMM 75-10-01.  OPERATIONAL CHECK GOOD.  AIRCRAFT WAS GROUNDED.

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