# SDR SIMA20260528002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2026
- Submitted: May 29, 2026
- Operation: Air carrier
- Aircraft: [N790MK](https://openairdocs.org/aircraft/N790MK), registered now
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000061
- Aircraft time: 53,952 hours, 35,556 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 34002210
- Condition: Faulted
- Location: Zone 200
- 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/SIMA20260528002

## Discrepancy

EMERGENCY LIGHT BATT FAULT ON EICAS. INTEROGATED CMC AND FOUND FAULT CODE 33500001UT1. FOLLOWED FIM TASK 33-50-00-810-801-A00. TROUBLE SHOT TO FWD RH EMERGENCY LIGHT POWER UNIT. RAR FWD RH EMERGENCY LIGHT POWER UNIT IAW AMM 33-50-01. OPS CHECK GOOD.

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