# SDR UIEA2023052200501

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2023
- Submitted: May 22, 2023
- Operation: Air carrier
- Aircraft: [N499MC](https://openairdocs.org/aircraft/N499MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29260
- Aircraft time: 93,848 hours, 16,031 cycles
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: Actuator
- Part number: 1387T10013
- Part serial: 5273
- Condition: Failed
- Location: Rt Mlg
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2023052200501

## Discrepancy

FOUND FUNCTION FAIL AT RH WLG ALTERNATE EXTENSION ROTARY ACTUATOR(<P>1) IAW AMM 32-36-01-004-001 REV 107 & AMM 32-36-01-404-009 REV 107 STEP 3.A TO F(4) R/R RH ALTERNATE ELEC ACTUATOR. 2) IAW AMM 32-36-01-404-009 REV 107 STEP F(5) PERFORM RH WLG ALTERNATE EXTENSION TEST. 3) CONDITION CHECK NORMAL</P>)

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