# SDR IPXA2023042092928

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2023
- Submitted: April 21, 2023
- Operation: Air carrier
- Aircraft: [N264UP](https://openairdocs.org/aircraft/N264UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft time: 90,824 hours, 17,843 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: NA
- Part serial: NA
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023042092928

## Discrepancy

INSPECTION TYPE:NA*SDR FILED OPEN* ON PREFLIGHT EMERG LIGHT BAT 1 LOW (LEVEL 1) ALERT. DEFERRED EMERGENCY LIGHTING SYS PER MEL 33 50 4. DMP 33 50 4. C/W PLACARD INSTALLED M 807289 ASSIGNED.  REVERSED DMP 30-50-04. T/S PER FIM 33-51-00-810-801. R&R EMERGENCY LT BATTERY 01 IAW AMM 3-51-01, OPS CHECK GOOD. THIS CLEARS M807289, PLACARD REMOVED. EFF SOURCE REF: 33-51-10-01

---
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.
