# SDR UIEA2016121901033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2016
- Submitted: December 20, 2016
- Operation: Air carrier
- Aircraft: [N747BC](https://openairdocs.org/aircraft/N747BC), registered now
- Make and model: Boeing 747-4J6
- Registry model: [Boeing 747-4J6](https://openairdocs.org/model/boeing-747-4j6) (OpenAirDocs)
- Aircraft serial: 25879
- Aircraft time: 42,431 hours, 10,912 cycles
- System (JASC): [3233 · Landing Gear Actuator](https://openairdocs.org/jasc/3233)
- Part: Actuator
- Part number: 138T1009
- Part serial: 4824
- Condition: Inoperative
- Location: Rt Mlg
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2016121901033

## Discrepancy

THE RT MLG ALTERNATE EXTENSION ACTUATOR CANNOT SHUT OFF IAW AMM 32-36-01-004-001 AND AMM 32-36-01-404-009 REV 87. STEP 3A - 3F REPLACED THE MLG ALTERNATE EXTENSION ACTUATOR IAW AMM 32-36-00-705-009 REV87 PFM OPERATION TEST FOR MLG ALTERNATE EXTENSION SYS, RESULT WAS SATISFACTORY. CONDITION CHECK NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
