# SDR JJBA20211024054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2021
- Submitted: October 25, 2021
- Operation: Air carrier
- Aircraft: [N12142](https://openairdocs.org/aircraft/N12142), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 145735
- Aircraft time: 45,283 hours, 28,384 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Inverter
- Part number: 78241
- Condition: Faulty
- Stage of operation: IN
- 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/JJBA20211024054

## Discrepancy

EXIT MARKING ASSEMBLY FORWARD OF SEAT 3C INOPERATIVE. SWAPPED EXIT MARKING WITH EXIT SIGN ABOVE FA SEAT. FAULT DID NOT FOLLOW. SWAPPED EMERGENCY LIGHT DC/AC INVERTER. FAULT FOLLOWED #3 INVERTER. ALL PARTS RETURNED TO ORIGINAL POSITION. R&R EMERGENCY LIGHT INVERTER. OPS CHECK SAT. NO FURTHER DEFECTS NOTED.

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