Service difficulty report · Sensor · Boeing 737824

Difficulty date
November 3, 2017
Submitted
November 3, 2017
Operation
Air carrier
Aircraft
N73283
Make and model
Boeing 737824
Aircraft serial
31606
Aircraft time
46,320 hours, 16,234 cycles
Part
Sensor
Part number
90004212
Part serial
2323
Condition
Faulted
Location
Te Flaps
Part time
46,300 hours, 16,225 cycles
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LEADING EDGE FLAPS TRANSIT LIGHT STAYS ON 1. EMERGENCY DECLARED. PERFORMED VISUAL INSPECTION OF FLAP AND SLATS, WITH FLAPS EXTENDED PERFORMED HARNESS SHAKE DOWN, NO DEFECTS NOTED. IAW FIM TA SK 27-51-00 PERFORMED FSEU BITE, NO FCURRENT FUALTS NOTED. ON FAULT HISTORY LEG 006 AND 010 FOUND MESSAGE 27-53279. IAW FIM TASK 27- 51-00-810-822, FOUND TO BE WITHIN LIMITS. CYCLED FLAPT SEVERAL TIMES AND PERFORMED FSEU BITE, TEST PASSED. REMOVED AND REPLACED THE INBOARD FLAP INBOARD SKEW SENSOR IAW MM 27-59-01-000-804, AND MM 27-59-01-400-804. OPS TEST OF THE FLAP SKEW DETECTION SYSTEM, ALL CHECKED GOOD. NO DEFECTS NOTED. IAW MM 27-59-00-730-801.