# SDR CALA2019042600647

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2019
- Submitted: April 26, 2019
- Operation: Air carrier
- Aircraft: N422UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 503
- Aircraft time: 80,258 hours, 31,199 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Switch
- Part number: 848401
- Condition: Failed
- Location: Aft Cargo Door
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2019042600647

## Discrepancy

DOOR AFT CARGO ECAM IN FLIGHT AT ABOUT12000 FEET MSLNO LOSS OF P RESSURE REF TSM 32-31-00-810-886-A. AIRCRAFT FAULTED 32WV PROX SENSOR TA RGET POSITION- TOMC KROWN REQUEST MEL  5270D FOR AFT CARGO DOOR INDICATION INOP. ADD EMP:U232365 NOC      DESK: 320  NAME: JOHN                 DATE: 24-APR-19- APPROVED FOR MEL 5270D VERIFIED CLOSED AND SECURE PRIOR TO FLIGHT. ADD EMP:U232365 C/W MEL 5270D. AFT CARGO DOOR ECAM INDICATION INOP. DOOR

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