# SDR CA100922001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2010
- Submitted: January 4, 2011
- Operation: General aviation
- Make and model: Diamon DA 40
- Registry model: [Diamon DA 40](https://openairdocs.org/model/diamond-aircraft-ind-da-40) (OpenAirDocs)
- Engine: Lyc IO360M1A
- Propeller: Hartzl HCC2YR1
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Door
- Part number: DA4522100003
- Condition: Departed
- Location: Cabin
- Stage of operation: CR
- How discovered: O
- Nature of condition: D
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA100922001

## Discrepancy

REPORT STATES REAR DOOR DEPARTED ACFT APPROX 10 MINUTES INTO FLIGHT, ACFT JUST LEVELED AT 3500` FROM 2000`.  INSTRUCTOR AND STUDENT BOTH STATE NO PREVIOUS ANNUNCIATION UNTIL SHORTLY BEFORE DOOR DEPARTED.  DOOR NOT RECOVERED.  FAA INVESTIGATING THIS OCCURRENCE.  MANDATORY SB40-070 HAD NOT BEEN COMPLIED WITH AT TIME OF OCCURRENCE.  ONLY MINOR COSMETIC DAMAGE REPORTED ON ACFT.

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