# SDR CALA2026081018428

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2026
- Submitted: August 10, 2026
- Operation: Air carrier
- Aircraft: [N24510](https://openairdocs.org/aircraft/N24510), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11814
- Aircraft time: 5,075 hours, 1,891 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Slide
- Part number: D30664915
- Part serial: 4833
- Condition: Faulted
- Location: Zone 800
- Part time: 5,256 hours, 1,903 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/CALA2026081018428

## Discrepancy

FWD EPSU EXTERIOR LIGHTS FAULT. EPSU SYS TEST ON CIDS GIVES EXTERIOR LIGHT 1 , EPSU (10WL) FWD L,  FAULT WIRING CHECKS FROM EPSU (10WL) TO CONNECTOR 2871VC NORMAL IAW ASM 33-51-01. SUSPECT ESCAPE SLIDE FWD L (7500MM).  WORK PERF IAW TSM 25-62-00-810-822-A, UP TO STEP C(2)(A).  L1 DOOR EMERGENCY SLIDE RAFT REMOVED IAW AMM 25-62-44-000-012-A. SLIDE INFLATION BOTTLE IS PINNED, COVER RELEASE CABLE DISCONNECTED, GIRT BAR REMAINS UNTOUCHED. INFORMATION UPDATE: L1 SLIDE RAFT REMOVAL. WORK PERF IAW AMM  25-62-44-000-012-A UP TO STEP 6 OF PAR. B, SECTION 4. PROCEDURE. INSTALLED SERVICEABLE DOOR SLIDE 1L IAW AMM 25-62-00-810-822-A. REPLACED EPSU FWD L 10WL IAW AMM 33-51-38-400-001-A.

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