# SDR DXTA2023020379800

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2023
- Submitted: February 7, 2023
- Operation: Air carrier
- Aircraft: [N312QS](https://openairdocs.org/aircraft/N312QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500153
- Aircraft time: 7,998 hours, 6,368 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 64SOLS00
- Part serial: 001459
- Condition: Defective
- Location: Zone 100
- Stage of operation: TX
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2023020379800

## Discrepancy

EMERGENCY LIGHTING: DURING CRUISE WITH EMER LIGHT SWITCH IN ARM POSITION, ALL CABIN EMER LIGHTS FLASHING. // SIGNOFF// GAINED ACCESS TO AND REMOVED AND REPLACED THE FORWARD EMERGENCY LIGHT BATTERY WITH A NEW BATTERY IAW EMB·S05AMM 33-52-01, OPERATIONAL CHECK SATISFACTORY. CLOSED ACCESS.(PN OFF 64SOLS-OO, SN OFF 001459, PN ON
7450LS-OO, SN ON 006668). GAINED ACCESS TO AND REMOVED AFT EMERGENCY LIGHT BATTERY. (02 04 SL). INSTALLED THE AFT EMER LIGHT BATTERY WITH A TESTED UNIT IAW PHENOM 300AMM CH. 33-52-01. OPS CHECKS GOOD. RESTORED ACCESS GAINED

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