# SDR UIEA2020031700456

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2020
- Submitted: March 17, 2020
- Operation: Air carrier
- Aircraft: [N465MC](https://openairdocs.org/aircraft/N465MC), registered now
- Make and model: Boeing 747446
- Aircraft serial: 24784
- Aircraft time: 101,504 hours, 19,637 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 900835A
- Part serial: C5876
- Condition: Discharged
- Location: Cabin
- 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/UIEA2020031700456

## Discrepancy

UPPER DECK EXIT EMERGENCY LIGHTS FOUND SEVERAL INOP.(<P>T/S W/D 33-51-23; REPAIRED U/D EMERGENCY LIGHT WIRING L3661, L3662 AND COVER LENS INSTALLED. OPS CHECK OK. REMOVED AND REPLACED M7038 BATTERY CARTRIDGE PER AMM 33-51-04 (OFF PART: PN <SPAN>9008-3-5A</SPAN><SPAN>, SN 141558</SPAN><SPAN>). REMOVED AND REPLACED M7040 BATTERY CARTRIDGE PER AMM 33-51-04. REMOVED AND REPLACED POWER SUPPLY FUSE (7050) PER AMM 33-51-04/900. EMERGENCY LIGHTS OPS TEST OK AMM 33-51-00/715.</SPAN></P>)

---
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.