# SDR AALA202411272418

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2024
- Submitted: November 27, 2024
- Operation: Air carrier
- Aircraft: [N957XV](https://openairdocs.org/aircraft/N957XV), registered now
- Make and model: Airbus A321-253N
- Registry model: [Airbus A321-253N](https://openairdocs.org/model/airbus-a321-253n) (OpenAirDocs)
- Aircraft serial: 8246
- Aircraft time: 18,972 hours, 4,957 cycles
- System (JASC): [2565 · Escape Slide](https://openairdocs.org/jasc/2565)
- Part: Slide Raft
- Part number: D30665515
- Part serial: M16539
- Condition: No Test
- Location: Zone 800
- Part time: 1,715 hours, 535 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202411272418

## Discrepancy

AIRCRAFT WAS GROUNDED: WHILE PERFORMING JC 26C00033004 EMERGENCY POWER SUPPLY UNIT BITE TEST CONTROLLER 13WL SHOWS INTERIOR LIGHTS FAULT AND EXTERIOR LIGHTS FAULT (RED LIGHT LIT). REMOVED AND REPLACED R4 DOOR ESCAPE SLIDE/RAFT.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.