# SDR GRTA20251124001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2025
- Submitted: November 24, 2025
- Operation: Air carrier
- Aircraft: [N571AW](https://openairdocs.org/aircraft/N571AW), registered now
- Make and model: Beech B300
- Registry model: [Beech B300](https://openairdocs.org/model/hawker-beechcraft-b300) (OpenAirDocs)
- Aircraft serial: FL290
- Aircraft time: 9,464 hours, 9,861 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Bayonet
- Part number: 5043001811
- Condition: Sheared
- Location: Zone 800
- Part time: 52 hours, 42 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GRTA20251124001

## Discrepancy

AT FL250 PRESSURE DIFFERENTIAL 6.5 HEARD A POP AND DOOR UNLOCKED LIGHT CAME ON.  DOOR LATCH BOLT BROKE AND MAIN DOOR WOULDN'T OPEN.  MX FOUND FAILURE OF THE UPPER FWD BAYONET (BOLT) 51.5 HRS/42 CYCLES AFTER REPLACEMENT.  NO OTHER DAMAGE FOUND.  THE KIT USED WAS PN 101-4084-1 SN 1667.

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