# SDR DALA2026022301284

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2026
- Submitted: February 23, 2026
- Operation: Air carrier
- Aircraft: [N820DX](https://openairdocs.org/aircraft/N820DX), registered now
- Make and model: Boeing 757-26D
- Registry model: [Boeing 757-26D](https://openairdocs.org/model/boeing-757-26d) (OpenAirDocs)
- Aircraft serial: 33960
- Aircraft time: 58,731 hours, 29,155 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Reservoir
- Part number: 404002
- Part serial: 1440
- Condition: Low Pressure
- Location: Zone 800
- Part time: 9,841 hours, 5,109 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026022301284

## Discrepancy

DOOR 4R EMERGENCY ASSIST RESERVOIR HAD LOW PRESSURE.   R & R DOOR R4 EMERGENCY ASSIST RESERVOIR IAW AMM 52-11. (8862602)

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