# SDR 0003666309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2000
- Submitted: October 12, 2000
- Operation: Air carrier
- Aircraft: N669US
- Make and model: Boeing 747451
- Aircraft serial: 24224
- Aircraft time: 44,000 hours, 5,212 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Pseu
- Part number: 856917
- Condition: Malfunctioned
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/0003666309

## Discrepancy

DURING CLIMB, THE BODY LANDING GEAR DOOR DID NOT RETRACT.  AIRCRAFT RETURNED TO MNL AND LANDED WITHOUT INCIDENT.  REPLACED THE PROXIMITY SWITCH ELECTRONIC UNIT.  OPERATIONAL CHECK GOOD.

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