# SDR QXEA2026052000122

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2026
- Submitted: May 21, 2026
- Operation: Air carrier
- 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: 17000961
- Aircraft time: 5,683 hours, 4,809 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 17044102803
- Condition: Malfunctioned
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2026052000122

## Discrepancy

EMERGENCY LIGHT BATTERY FAULT EICAS MESSAGE DISPLAYED. REMOVED FROM SERVICE. CMC FAULTS: EMER LT (FWD R)/WRG FAULT, 33500001UT1, EMER LT(FWD L)/WRG FAULT, 33500002UT1, EMER LT BATT(AFT R INBD/WRG FAULT, 33500003UT1, EMER LT BATT(AFT R OUTBD/WRG FAULT, 33500004UT1. C/W CYCLE OF SHIP'S POWER. CLEARED FAULT MSG. C/W CHARGING CHECK OF ELPU IAW AMM 33-50-01-800-801-A. C/W OPS CHECK OF EMERGENCY LIGHTNING IAW AMM 33-50-00-710-801-A. OPS CHECK GOOD. FAULT DID NOT RETURN. COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED.

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