# SDR IPXA2023021490989

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2023
- Submitted: February 14, 2023
- Operation: Air carrier
- Aircraft: N271UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48572
- Aircraft time: 68,675 hours, 19,867 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: NA
- Part serial: NA
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023021490989

## Discrepancy

DURING PREFLIGHT EMERGENCY LIGHTS WILL NOT TEST. DEFERRED EMER LIGHT TEST FUNCTION IAW MEL 33-50-2 DMP COMPLIED WITH PLACARD INSTALLED.PERF OPERATIONAL TEST OF THE EMER LIGHTING SYSTEM IAW AMM 33-50-00-700-802. OPS CHECK GOOD. THIS CLEARS M802738.

---
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.
