Service difficulty report · Switch · Boeing 727233

Difficulty date
January 19, 2005
Submitted
February 3, 2005
Operation
General aviation
Make and model
Boeing 727233
Aircraft time
46,154 hours
Engine
Pwa JT8D15
Part
Switch
Part number
H1010153
Condition
Intermittent
Location
Nlg
Stage of operation
AP
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

(CAN) ON APPROACH, LANDING GEAR CYCLED DOWN FOR LANDING. THE NOSE LANDING GEAR RED INDICATOR STAYED ILLUMINATED AND NO GREEN INDICATION WAS SEEN. GEAR WAS RE-CYCLED AND THE GEAR WAS EXTENDED WITH PROPER INDICATION. MAINTENANCE LUBED THE NOSE GEAR AND JACKED THE GEAR AND CYCLED THE GEAR NUMEROUS TIMES, NO FAULTS FOUND. THE AIRCRAFT WAS DISPATCHED, NO FAULT ON LANDING THERE. THIS IS THE SECOND OCCURENCE AND SECOND SDR FOR THE SAME AIRCRAFT AND SNAG. DUE TO ITS HISTORY, NOSE GEAR DOWN POSITION SWITCH S93 AND THE NOSE GEAR LOCKED SWITCH S96 ARETO BE REPLACED BEFORE THE AIRCRAFT WILL BEDISPATCHED.POSSIBLE INTERNAL INTERMITTENT FAILURE TO ONE OF THE SWITCHES AND AT THE SAME TIME ALL WIRING WILL BE INSPECTED.