# SDR DALA2021020100616

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2021
- Submitted: February 2, 2021
- Operation: Air carrier
- Aircraft: [N507DN](https://openairdocs.org/aircraft/N507DN), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0182
- Aircraft time: 12,923 hours, 1,182 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning Light
- Condition: False Activation
- Location: Doors
- Stage of operation: IN
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021020100616

## Discrepancy

SHIP 3507 AFTER BLOCK IN AND DOORS DISARMED ALL DOORS HAD FLASHING CABIN PRESS LIGHTS.  CORRECTIVE ACTION: PERFORMED ASPSU RESIDUAL PRESS IND LT TEST, PASS PER A350 AMM 52-71-29 AND VISUAL COND CHK, DIFF PRESS SW AT AVIO BAY NORMAL.  ITEM OK FOR SVC.

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