# SDR DALA2020010300036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2019
- Submitted: January 3, 2020
- Operation: Air carrier
- Aircraft: N924DN
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53586
- Aircraft time: 50,764 hours, 33,624 cycles
- System (JASC): [5245 · Air Conditioning Doors](https://openairdocs.org/jasc/5245)
- Part: Door
- Condition: Missing
- Location: A/C Bay
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020010300036

## Discrepancy

AFT CONDITIONED AIR DUCT DOOR MISSING C/A INSTALLED GROUND AIR CONNECTION DOOR PER MD90 AMM 21-28. CDL/ PLACARD REMOVED (6405062)

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