# SDR QXEA2022102100308

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2022
- Submitted: October 21, 2022
- Operation: Air carrier
- Aircraft: [N643QX](https://openairdocs.org/aircraft/N643QX), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000763
- Aircraft time: 10,592 hours, 6,518 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 591285501
- Condition: Faulted
- Location: Emergency Lights
- 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/QXEA2022102100308

## Discrepancy

EMERGENCY LIGHT BATTERY FAULT MESSAGE ON EICAS. INTERROGATED CMC FOUND FAULT CODE 33500001UT1. C/W FIM TASK E175  33-50-00-810-801-A00. DETERMINED FWD RH ELPU1 TO BE DEFECTIVE. REMOVED ELPU1 IAW E175 AMM 33-50--01-000-801-A AND REMOVED ELPU 1 BATTERY IAW E175 AMMM 33-50-01-000-802-A. INSTALLED ELPU 1 IAW E175 AMM 33-50-01-000-801-A AND INSTALLED ELPU 1 BATTERY IAW E175 AMM 33-50-01-000-801-A. OPS TEST GOOD.

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