Service difficulty report · Sensor · Boeing 737724

Difficulty date
May 16, 2023
Submitted
May 17, 2023
Operation
Air carrier
Aircraft
N39728
Make and model
Boeing 737724
Aircraft serial
28944
Aircraft time
74,365 hours, 26,658 cycles
Part
Sensor
Part number
NA
Condition
Damaged
Location
Nose Gear
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.

What was found

AFTER ROTATION GEAR HANDLE UP BOTH GREEEN AND RED NOSE GEAR LIGH T REMAINED ON AS WELL AS PESU CURRENT FAULT SHOW 3 FAULTS "NOSE DISAGREE" AND "SENSOR" AND "NONE LATCHED" MORE DETAILS FAULT CODE IS 32-61013. RESISTANCES NOW WITHIN LIMITS. OPS CHECK GOOD. FOLLOWED FIM 32-61 TASK 803. FOUND THE RESISTANCE OF #1 NOSE GEAR DOWN SENSOR S845 ERRATIC AND OUT OF LIMITS. REMOVED AND REPLACED SENSOR S845 IAW AMM 32-61-51. ALSO FOUND TB42 DAMAGED AND CORRODED. REMOVED AND REPLACED IAW SWPM 20-83-01. ADD EMP:U393391 JACKED NLG PER AMM 07-11-21-580-801. PERFORMED NLG TEST FOR COMPONENT REPLACEMENT PER AMM 32-33-00-710-802. WITH NO DEFECTS FOUND. ALL NLG LIGHTS DISPLAY NORMAL OPERATION. OK TO CONTINUE.