Service difficulty report · Downlock Switch · Boeing 727223

Difficulty date
August 6, 2002
Submitted
August 8, 2002
Operation
Air carrier
Aircraft
N753DH
Make and model
Boeing 727223
Aircraft serial
22468
Part
Downlock Switch
Part number
H1010153
Part serial
NSN
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
L, O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

1) ON FINAL GREEN GEAR LITES EXTINGUISHED, RED GEAR LITE ILLUMINATED . ACCOMPLISHED ABNORMAL PROCEDURES . VIEWING PORT INDICATED N.G. DOWN & LOCKED. ON 2ND APPROACH , RED N.G. LITE EXTINGUISHED & GREEN N.G. LITE ILLUMINATED. ON GROUND WHEN TOW BAR WAS ATTACHED, RED NOSE GEAR LITE ILLUMINATED , GREEN LITE EXTINGUISHED . GEAR HORN SOUNDED. GEAR PINS REMOVED FROM POUCH & INSTALLED. 2) R&R NOSE GEAR DOWNLOCK SENSOR WITH SERVICEABLE SENSOR. OPS CHECK GOOD IAW MM 32-61-71, GEAR PINS REMOVED AND STOWED IAW BMM CH 32-00-11.