Service difficulty report · Transmitter · Boeing 737824

Difficulty date
January 15, 2024
Submitted
January 19, 2024
Operation
Air carrier
Aircraft
N78524
Make and model
Boeing 737824
Aircraft serial
31642
Aircraft time
43,094 hours, 15,293 cycles
Part
Transmitter
Part number
18173812
Part serial
2286
Condition
Intermittent
Location
Rt Flap Sys
Part time
43,076 hours, 15,285 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F, O
Precautionary procedure
B

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

What was found

FLAP TE DISAGREE STOPPED AT 9. AHM DETECTED *FLAP BYPASS VALVE ACTIVATION* DUE TO A RECENT DFD REPORT REFLECTING T/E FLAP BYPASS CONDITION, PLEASE REPLACE THE RIGHT FLAP POSITION TRANSMITTER REF AMM 27-58-01. THE FLIGHT DEC K POSITION INDICATOR WAS ALREADY REPLACED (REF 6806855). INSPECT THE TRANSMITTER WIRING AND CONNECTOR FOR CORROSION AND GENERAL CONDITION. REASSIGNMENT OF THIS ITEM WILL REQUIRE TOMC SR MANAGE R AND LINE PLANNING OPS MGR APPROVAL. CARRIED BY ELB TRANSMITTER, FL OFF 29-2759-9-0004 2286 ON 29-2759-9-0004 1429 TRANSMITTER, FL OFF 29-2759-9-0004 2286 ON 0000 UPON PLACING FLAPS TO 40, RH INDICATION STUCK AT 9. PLACED FLAP HANDLE TO 10 THEN RH INDICATION CAUGHT UP AND WAS ABLE TO PUT FLAPS TO 40. REPLACED RH FLAP POS TRANSMITTER T428 WITH NEW REF AMM 27-58-01-400-801. PERFORMED ALL REQUIRED TEST PER AMM 27-58-01-400-801 AND ALL TEST PASSED WITH ALL INDICATIONS CORRECT, NO DISCREPANCIES FOUND AT THIS TIME. PARTS USED: 29-2759-9-0004,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1774844 SN OFF 2286.