# SDR UIEA200900054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2009
- Submitted: September 14, 2009
- Operation: Air carrier
- Aircraft: [N522MC](https://openairdocs.org/aircraft/N522MC), registered now
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 21783
- Aircraft time: 103,276 hours, 20,789 cycles
- System (JASC): [3232 · Landing Gear Door Actuator](https://openairdocs.org/jasc/3232)
- Part: Actuator
- Part number: 1U11928
- Part serial: 2378
- Condition: Failed
- Location: Mlg Door
- 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/UIEA200900054

## Discrepancy

AIR TURN BACK DUE TO RED GEAR LIGHT ILLUMINATED AFTER GEAR RETRACTION . F/E PANEL RIGHT WING GEAR DOOR OPEN ON BOTH PRIMARY AND ALTERNATE . AFTER FHB CHECK WITH GEAR EXTENDED LIGHTS EXTINGUISHED.  RIGHT WING GEAR DOOR ACTUATOR REPLACED, GEAR SWING ACCOMPLISHED PER AMM 32-32-27, ALL OPERATION 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.