Service difficulty report · Indication Sys · Boeing 737823

Difficulty date
March 25, 2025
Submitted
March 26, 2025
Operation
Air carrier
Aircraft
N957AN
Make and model
Boeing 737823
Aircraft serial
29541
Aircraft time
66,452 hours, 28,436 cycles
Part
Indication Sys
Condition
Malfunctioned
Location
Zone 700
Stage of operation
CL
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

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AFTER TAKEOFF DUE TO NOSE GEAR INDICATED GREEN AND RED WHEN GEAR HANDLE MOVED TO OFF POSITION. ASSOCIATED NOISE INDICATED NOSE GEAR NOT FULLY RETRACTED. FOLLOWED QRH GEAR DISAGREE AND NOSE GEAR RETRACTED NORMALLY. EMERGENCY CANCELED, AIRCRAFT CONTINUED TO DESTINATION WITHOUT FURTHER INCIDENT. MAINTENANCE DURING PSEU BITE TEST FOUND FAULTS 32-61003, 32-61010. ACCOMPLISHED NLG LOCK SENSOR FAULT ISOLATION PER TASK 32-61-00-810-804, ALSO ACCOMPLISHED OPERATIONAL TEST FOR THE NOSE LANDING GEAR PER AMM 32-33-00-710-801, CYCLED NLG SEVERAL TIMES, NO FAULTS NOTED. AIRCRAFT OK FOR SERVICE.