Service difficulty report · Downlock Sensor · Boeing 737524

Difficulty date
May 13, 2010
Submitted
May 17, 2010
Operation
Air carrier
Aircraft
N17640
Make and model
Boeing 737524
Aircraft serial
28901
Aircraft time
33,130 hours, 17,425 cycles
Part
Downlock Sensor
Condition
Out Of Adjust
Location
Mlg
Stage of operation
LD
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.

What was found

UNSAFE GEAR INDICATION DURING LANDING; FOLLOWED QRH PROCEDURE; PULLED MANUAL GEAR HANDLES; GEAR INDICATION NORMAL; SLIGHT YAW WHEN MANUAL HANDLES PULLED. T/S TO INCORRECTLY SET MAIN GEAR DOWNLOCK SENSOR AND MLG HANDLE CABLE RIG SLIGHTLY OFF. RESET MLG DOWNLOCK SENSOR IAW AMM 32-61-31-004-001 AND RE-RIGGED HANDLE CABLE MLG CONTROL IAW 32-31-0 0-735-001. OPS TESTED WITH NO FURTHER FAULTS NOTED.