# SDR DALA2026081604676

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2026
- Submitted: August 16, 2026
- Operation: Air carrier
- Aircraft: [N120DN](https://openairdocs.org/aircraft/N120DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 10185
- Aircraft time: 17,824 hours, 7,642 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Faulted
- Location: Zone 200
- 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/DALA2026081604676

## Discrepancy

DURING SVC CHECK FOUND EXTERIOR AFT LIGHT FAULT DURING EPSU TEST.   REMOVED ORIGINAL SLIDE 4L TO T/S FAULT IAW AMDS WORK CARD 2561-4001-LA,. OK TO INSTALL ORIGINAL SLIDE. REINSTALLED ORIGINAL DOOR SLIDE 4L IAW AMDS WORK CARD 2561-4001-LA. (LP 8620310 - AIRCRAFT WAS GROUNDED)

---
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.