# SDR IPXA2025062143276

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2025
- Submitted: June 23, 2025
- Operation: Air carrier
- Aircraft: [N148UP](https://openairdocs.org/aircraft/N148UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0831
- Aircraft time: 26,578 hours, 16,256 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Lamp
- Part number: CM82400
- Condition: Burned Out
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2025062143276

## Discrepancy

OPERATIONAL TEST OF THE EMERGENCY POWER-SUPPLY UNITS WITH BITE-CHECK FAILED FOUND MULTIPLE BULBS BEHIND EXIT SIGN LENS INOP. RELAMPED ASSY REF AMM 33-51-13/401, OPS CHECK OF LAMPS & BITE CHECK GOOD AT THIS TIME.

---
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.