# SDR DL73K002529

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 25, 2000
- Submitted: January 2, 2001
- Operation: Air carrier
- Aircraft: N316DL
- Make and model: Boeing 737232
- Aircraft serial: 23088
- Aircraft time: 48,344 hours, 38,001 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Accessory Unit
- Condition: Failed
- Location: E/E Bay
- Component: Unit, 6552811109
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL73K002529

## Discrepancy

AT TOP OF DESCENT - ISOLATION VALVE LIGHT ILLUMINATED - THEN AFTER PLACING GEAR DOWN HAD NO GEAR LIGHTS RED OR GREEN. VISUALY CHECKED GEAR DOWN AND FOUND GEAR LIGHT C/B OUT.   REPLACED LANDING GEAR ACCESSORY UNIT PER M/M

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