Service difficulty report · Transmitter · Boeing 737724

Difficulty date
May 13, 2026
Submitted
May 18, 2026
Operation
Air carrier
Aircraft
N15710
Make and model
Boeing 737724
Aircraft serial
28780
Aircraft time
83,475 hours, 31,262 cycles
Part
Transmitter
Part number
18173812
Part serial
1999
Condition
Faulted
Location
Flap Sys
Part time
74,566 hours, 27,426 cycles
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

NOTICED AT CRUISE THAT R FLAP TE IND HALF WAY BETWEEN 0 AND 1.NO LE OR TE FLAP LIGHTS ON DEBRIEF INBOUND FLT CREW, STATED FLAP HANDLE UP, AT CRUIZE THE TRAILING EDGE FLAP INDICATOR SHOW A SPLIT SEE PHOTOS. AT GATE CYCLE FLAPS WITH HYDRAULICS NEEDLES WERE MARRY. SEE FIM TASK 27-51 TASK 826.PERFORMED FSEU BITE 27-51-TASK 801 NO FAULTS. ADD EMP:U233484,U190000 SUSPECT INDICATOR PN 2061-15-1 AT FAULT. LOCK FOR POSITIVE FIX. CALL TOMC BEFORE SIGNING OFF. REF FIM 27-59 TASK 807, NO EXISTING FAULTS ON FSEU BITE, FAULT HISTORY SHOWED ON LAST LEG 27-53256 FLAP 7 SKEW FAULT INTERMITTENT. PERFORMED TE FLAP INDICATION DYNAMIC HEALTH CHECK REF AMM 20-10-76-700-808. HEALTH CHECK PASSED FOR ALL SENSORS. OPS TEST FLAP SYSTEM MULTIPLE TIMES IN REF WITH AMM 27-51-00. NO FAULTS DETECTED ON FLAP INDICATION. OK TO CLEAR SEE LOG PAGE 8882816 FOR CORRECTIVE ACTION (TRANSMITTER R&R). R&R RIGHT FLAP POSITION TRANSMITTER IN REF WITH AMM 27-58-01-400-801 UP TO AND NOT INCLUDING STEP 3.H.(3). COULD NOT MOVE FLAPS TO UP POSITION DUE TO RIGHT FLAP INDICATOR NEEDLE OUT OF SYNC WITH LEFT, HAD TO USE ALTERNATE FLAP SWITCH. NEW RIGHT TRANSMITTER, FL OFF 29-2759-9-0004 1999 ON 29-2759-9-0004 8301 TRANSMITTER, FL OFF 29-2759-9-0004 1999 ON 0000 M&E PN ON - 29-2759-9-0004 MFG SN OFF - 1999AMOD MFG PN OFF - 18-1738-12 ROTABLE PARTS CHG:TT # 1183106 SN OFF 1999 PN OFF 29-2759-9-0004