# SDR DALA1200380992

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2012
- Submitted: January 4, 2012
- Operation: Air carrier
- Aircraft: N992DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53344
- Aircraft time: 52,226 hours, 38,006 cycles
- System (JASC): [5350 · Aerodynamic Fairings](https://openairdocs.org/jasc/5350)
- Part: Spring
- Part number: 49344691
- Condition: Missing
- Location: Tailcone
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1200380992

## Discrepancy

THE TAIL CONE FAILED TO UNLOCK AND DROP DURING THE FUNCTIONAL CHECK OPN 6908.  MAINTENANCE FOUND THE SPRING IN THE T-PIN PLUNGER WAS MISSING SO THEY INSTALLED A NEW SPRING, CLEANED, AND LUBRICATED THE CLIPS AT THE T-PIN PLUNGER.  SYSTEM REQUIRES AN OPERATIONAL CHECK.

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