Service difficulty report · Transmission · Boeing 737824

Difficulty date
July 28, 2019
Submitted
July 28, 2019
Operation
Air carrier
Aircraft
N16217
Make and model
Boeing 737824
Aircraft serial
28777
Aircraft time
67,395 hours, 23,975 cycles
Part
Transmission
Part number
29275190009
Condition
Defective
Location
Te Flap
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
K

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

What was found

DUE TO THE LT O/B FLAP TRANSMISSION BEING REPLACED AND THE FLAP POSITION TRANSMITTER BEING SWAPPED OVER NEED TO PERFORM A LAND VERIFY. WHILE PERFORMING THE LAND VERIFY IT WAS FAILING THE SURFACE TEST WITH AIL POS SEN-1 AND AIL POS SEN-2 FAULTS. DID TEST TWICE AND GOT SAME RESULTS. IN REF TO AMM 22-11-00. PERFORMED LAND VERIFY TEST REF M/M 22-11-00. OPS CHECK GOOD. AIRCRAFT RETAINS FULL CAT CAPABILITY. OK TO CONTINUE.