# SDR 99ZZZX2968

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Cessna 525
- Registry model: [Cessna 525](https://openairdocs.org/model/cessna-525) (OpenAirDocs)
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Seal
- Condition: Failed
- Location: Passenger Door
- Stage of operation: NR
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2968

## Discrepancy

AT FL 37, THE DOOR SEAL LIGHT CAME ON.  PRESSURIZATION WAS MAINTAINED AND A NORMAL DESCENT TO 15,000 FEET WAS REQUESTED.  AT 15,000 FEET, THE DOOR SEAL LIGHT EXTINGUISHED.  FLIGHT WAS CONTINUED PER MEL AT OR BELOW 25,000 FEET.  SECONDARY DOOR SEAL REPLACED AS A RESULT OF FAILURE.

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