Service difficulty report · Connector · Boeing 737823

Difficulty date
February 13, 2018
Submitted
February 19, 2018
Operation
Air carrier
Aircraft
N918NN
Make and model
Boeing 737823
Aircraft serial
33228
Aircraft time
16,016 hours, 6,471 cycles
Part
Connector
Condition
Contaminated
Location
Flap Switch
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

DECLARED EMERGENCY ON APPROACH, TRAILING FLAPS STOPPED AT 5, ALTERNATE EXTENSION IAW QRH FLAPS STOPPED AT 12. LANDED WITHOUT INCIDENT. AIRCRAFT WAS GROUNDED. PERFORMED PSEU BITE TEST IAW FRM/FIM 32-09-00-810-801, SHOWED FAULT MESSAGES 32-62009 & 32-62010. PERFORMED FLAP LANDING WARNING SWITCH FAULT ISOLATION IAW FRM/FIM 32-61-00-810-815, NO FAULTS NOTED. CLEANED ELECTRICAL CONNECTOR AT SWITCH S00138. PERFORMED LEADING EDGE FLAPS AND SLATS SYSTEM OPERATION IAW AMM 27-81-00-860-801, NO FAULTS NOTED. OK FOR SERVICE.