# SDR CALA9600967

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N12811
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49265
- Engine: Pwa JT8D217
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Airseal
- Part number: 80901401
- Condition: Worn
- Location: Nr 1 Engine
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA9600967

## Discrepancy

THE NR 1 ENGINE SPOOLED DOWN ACCOMPANIED BY A LOUD EXPLOSION WHILE CLIMBING THROUGH FL 310.  ABNORMAL PROCEDURES WERE COMPLIED WITH AND THE AIRCRAFT WAS RETURNED TO SFO WHERE IT LANDED WITHOUT INCIDENT.  THE NR 1 ENGINE WAS REMOVED AND REPLACED.  THE SDR WILL REMAIN OPEN FOR PART INFORMATION PENDING INVESTIGATION.  *S/D*  SHOP FINDINGS REVEALED A WORN T2 INNER AIRSEAL.

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