# SDR UIEA9804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N528MC](https://openairdocs.org/aircraft/N528MC), registered now
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 22472
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Nlg
- Condition: Malfunctioned
- Location: Nose
- Stage of operation: AP
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA9804

## Discrepancy

ANC - DURING APPROACH, 'NOSE GEAR DID NOT EXTEND NORMALLY - MANUAL EXTENSION OK'.  CHECKED RIGGING OF NOSE GEAR SEQUENCE VALVE LOCK MECHANISM AND ACTUATOR AND FOUND SAME TO BE NORMAL.  PERFORMED GEAR EXTENSION/RETRACTION CHECK PER MM 32-34-00, AND NO DEFECTS FOUND, OPERATION NORMAL.  (X)

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