# SDR AALA2009053000005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2009
- Submitted: July 10, 2009
- Operation: Air carrier
- Aircraft: [N9618A](https://openairdocs.org/aircraft/N9618A), 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: 53565
- Aircraft time: 34,385 hours, 16,139 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Condition: Ruptured
- Location: Zone 200
- Stage of operation: CL
- 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/AALA2009053000005

## Discrepancy

STL - AIRCRAFT STARTED TO VIBRATE ON TAKEOFF.  RETURNED STL WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  FOUND RUPTURED DUCT IN TAIL. REPLACED BOOT AND DUCT.  SYSTEM GROUND CHECK NORMAL OPERATION.

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