# SDR U2RA4534579001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2011
- Submitted: April 8, 2011
- Operation: Air carrier
- Aircraft: [N169CA](https://openairdocs.org/aircraft/N169CA), registered now
- Make and model: Boeing 757236
- Aircraft serial: 25592
- Aircraft time: 55,499 hours, 18,863 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Diaphragm
- Part number: 803311
- Condition: Misinstalled
- Location: Door Assist
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/U2RA4534579001

## Discrepancy

R-4 DOOR EMERGENCY ASSIST BOTTLE FAILED TO TRIGGER DURING MINI EVACUATION DEMONSTRATION. DIAPHRAGM MISINSTALLED

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