# SDR DXTA2022051962090

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2022
- Submitted: May 20, 2022
- Operation: Air carrier
- Aircraft: N556QS
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605553
- Aircraft time: 12,528 hours, 9,677 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Diode
- Part number: S31064
- Condition: Defective
- Location: Emergency Lights
- Stage of operation: TX
- How discovered: C
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2022051962090

## Discrepancy

EMERG EXIT SIGN/LIGHT: FORWARD EMERGENCY EXIT LIGHTS INOP. FORWARD EMERGENCY LIGHTING BATTERY PACK DEPLETED. REMOVED DAMAGED AMBER EMERGENCY LIGHT "NOT ARMED" LIGHT & REPLACED WITH A NEW LIGHT & LAMP IAW  SPM 20-30-30.  REMOVED FAILED DIODE DI051 & REPLACED WITH A NEW DIODE IAW SPM 20-30-25.  REINSTALLED FORWARD EMERGENCY BATTERY PACK & RECONNECTED THE AFT EMERGENCY BATTERY PACK. CLOSED EMERGENCY & STANDBY CIRCUIT BREAKERS ON EACH BATTERY IN NOSE SECTION. CLOSED CIRCUIT BREAKERS HT043 & HT048 IN THE TAILCONE.CLOSED ALL ACCESSED AREAS AND REINSTALLED CAPTAIN'S SEAT. PERFORMED SUCCESSFUL EMERGENCY LIGHTING OPERATIONAL CHECK IAW AMM 33-50-00 WITH NO DEFECTS NOTED. ALL OPERATIONS AND INDICATIONS NORMAL AT THIS TIME.

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