# SDR 98ZZZM869

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N820AL](https://openairdocs.org/aircraft/N820AL), registered now
- Make and model: Boeing 737230C
- Aircraft serial: 22138
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Logic Card
- Part number: 655825029
- Condition: Malfunctioned
- Location: Rt Mlg
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZM869

## Discrepancy

FLT 80 - HNL-KOA - RIGHT MAIN GEAR UNSAFE.  RED LIGHT REMAINED ILLUMINATED AFTER GEAR UP.  RETURNED TO HNL.  PERFORMED LANDING GEAR EXTENSION/RETRACTION TEST.  NO DISCREPANCIES.  MEASURED AND FOUND UPLOCK SENSOR GAP TO BE WITHIN TOLERANCES IN MM CHAPTER 32-61-21.  REPLACED RT MLG UPLOCK PROXIMITY SWITCH AND MLG RED LIGHT PC CARD FOR T/S PURPOSES AND PRECAUTIONARY REASONS.  (M)

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