# SDR 21GA20260820001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2026
- Submitted: August 20, 2026
- Operation: Air carrier
- Aircraft: [N1399A](https://openairdocs.org/aircraft/N1399A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 27959
- Aircraft time: 104,823 hours, 22,402 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Seal
- Condition: Misinstalled
- Location: Zone 800
- Component: Door
- Component part number: 146T65052
- Stage of operation: CR
- How discovered: O
- Nature of condition: W
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/21GA20260820001

## Discrepancy

CABIN ALTITUDE EICAS FL 350" CABIN ALT EXCEEDED 10,000' THE SEAL WAS FOUND TO BE INSTALLED UPSIDE DOWN ON THE DOOR.

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