What was found
DURING GEAR RETRACTION HEARD LOUD SOUND. AFTER RETRACTION HAD EICAS GEAR DISAGREE WITH AN UNSAFE LIGHT. R & R DOOR OPERATED SEQUENCE VALVE FOR BYPASSING. OPS CHECKED GOOD IAW AMM 32-34-05-01.
- Difficulty date
- August 19, 2014
- Submitted
- August 22, 2014
- Operation
- Air carrier
- Aircraft
- N421UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25281
- System (JASC)
- 3231 · Landing Gear Door Retract Section
- Part
- Sequence Valve
- Condition
- Bypassing
- Location
- Mlg Door
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.