# SDR DXTA2022030858100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2022
- Submitted: March 9, 2022
- Operation: Air carrier
- Aircraft: [N318QS](https://openairdocs.org/aircraft/N318QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500162
- Aircraft time: 7,126 hours, 5,612 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 005847
- Condition: Defective
- Location: Zone 100
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2022030858100

## Discrepancy

CABIN EMERG LIGHT: EMERGENCY LIGHTS PREFLIGHT TEST OK. ENROUTE..ALL INTERIOR EMERGENCY LIGHTS FAST PACE FLICKER. OFF POSITION WHILE IN FLIGHT DOES EXTINGUISH E LIGHTS // SIGNOFF// REMOVED BOTH COPILOT AND PILOT SEATS, REMOVED FLOORBOARD TO GAIN ACCESS TO #1 EMERGENCY BATTERY.REMOVED #1FWD EMERGENCY BATTERY P/N: 7450LS-DO S/N: 005847DUE TO EMERGENCY LIGHTS FLICKERING
AND CONSTANTLY STAYING ILLUMINATED AND INSTALLID NEW EMERGENCY BATTERY P/N1 7450LS-00 S/N: 005860.
REMOVED #2AFT EMERGENCY BATTERY DUE TO EMERGENCY LIGHTS FLLCKERLNG AND CONSTANTLY STAYING ILLUMINATED
P/NI 6450LS-OO S/N: 001658, INSTALLED NEW EMERGENCY BATIERY P/N: 74SOLS·OO 5/N: 005B68, PERFORMED OPS CHECK
AND CHARGED EMERGENCY LLGHTS IAW EMBRAER PHENOM 300AMM 33-52-01. NO FURTHER DEFECTS NOTED. REINSTALLED FLOORROARD AND SEATS LN COCKPIT WITH NO DEFECTS NOTED,

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