Service difficulty report · Connector · Boeing 737724

Difficulty date
February 19, 2018
Submitted
February 20, 2018
Operation
Air carrier
Aircraft
N17752
Make and model
Boeing 737724
Aircraft serial
29048
Aircraft time
59,628 hours, 23,372 cycles
Part
Connector
Condition
Shorted
Location
Te Flaps
Part time
59,632 hours, 23,370 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
L

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

What was found

FLAPS FAILED TO EXTEND ON APPROACH. ALTERNATE FLAP EXTENSION COMMON ASYMMETRY. TE FLAPS UP LANDING 182 KTS, SMOOTH LANDING. EMERGENCY DECLARED. REMOVED AND REPLACED THE INBD FLAP OTBD SKEW SENSOR IAW AMM 27-59-01. PERFORMED A FLAP SKEW DETECTION SYSTEM FUNCTIONAL TEST, OPS CHECKED GOOD IAW AMM 27-59-00-730-801. ON T427 LEFT TE FLAP POSTION TRANSMITTER CONNECTOR D275 FOUND SHORTED TO GROUND ON PIN 11. ISOLATED TO D40024 J & P SIDE. REMOVED AND REPLACED THE CONNECTOR. CHECKED AND FOUND NO SHORT TO GROUND. CIRCUIT BREAKER REMAINS RESET IAW WDM 27-52-11, AND SWPM 20-61-11.