# SDR UIEA2019081635127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2019
- Submitted: August 16, 2019
- Operation: Air carrier
- Aircraft: [N663GT](https://openairdocs.org/aircraft/N663GT), registered now
- Make and model: Boeing 767324
- Aircraft serial: 27568
- Aircraft time: 101,584 hours, 19,500 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Diode
- Part number: YHLZD33
- Condition: Failed
- Location: Smoke Detection
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019081635127

## Discrepancy

FOUND PII-5 C766, & PII-4 C772 CIRCUIT BREAKER TRIPPED.  REPLACED THE CIRCUIT BREAKERS C766 & C772, RELATED DIODES R203 & R204 PER WDM 26-16-11 REV55 AND CONDITION CHK NORMAL, PFM LOWER CARGO COMPARTMENT SMOKE DETECTION SYSTEM OPERATIONAL TEST IAW AMM 26-16-00-715-001 REV 127 AND RESULT WAS SATISFACTORY.

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