Service difficulty report · Computer · Boeing 737724

Difficulty date
August 14, 2023
Submitted
August 16, 2023
Operation
Air carrier
Aircraft
N16701
Make and model
Boeing 737724
Aircraft serial
28762
Aircraft time
78,214 hours, 27,985 cycles
Part
Computer
Part number
285A1010106
Part serial
D00705
Condition
Unknown
Location
Sta 396
Part time
70,339 hours, 26,019 cycles
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

YAW DAMPER KICKED OFF ON CLIMB OUT RESET KICKED OFF BARTLETT, JOHNATHAN (V913867) YAW DAMPER INOP. PLACED ON MEL REFERENCE WDM 31-31-14-2 AND WOULD SUGGEST MEG CHECKING FROM TERMINAL BLOCK TB3201.THIS IS THE EASIEST PLACE TO 2203A. MEL DDP C/W. PLACARD INSTALLED. WIRING TO ALL THE DIFFERENT SENSORS INVOLVED.START SPLITTING ALL THE SENSORS. DISPATCH DESK: 15 NAME: AG DATE: 14-AUG-23- DEFERRED DIRECTLY BY TOMC LOCKED LP TO CONFIRM FIX. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN MAC METER INITIATED FOR WITH VENDOR TECH SUPPORT. MAINTENENCE, AND PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. MAC RELATED WORK ORDER 000000003083221 AND PRTR CONSISTEN WITH HISTORY FOUND C544 OPEN. YAW DAMPER INOPERATIVE. PLACED ON MEL 2203A. MEL DDP C/W. PLACARD INSTALLED. INVALID ON SEVERAL PREVIOUS LEGS ON SMYD 1. FAULT 27-31026. FIM CB P18-2 C-8 DID NOT TRIP AT ANY TIME, BUT SUSPECT FMC 1 27-32-42-400-801 AND ACCOMPLISHED INSTALL CHECKS ALL CHECKS SENSORS REF WDM 31-31-14-2 AND AMM 20-10-39-700-801 PARTS THE FLT RCDR POS SENSOR C/B NEVER TRIPPED OPEN. 27-32 TASK 824. ALL TESTS AND CHECKS PASS PER FIM TASK 824 AND INTERMITTENT, OR SMYD 1 INTERMITTENT. PASSED. TECH SUPPORT REQUEST MEGGERING THROUGH ALL RELATED USED: 29-2732-9-0003,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1200975 SN OFF 0705 UNLOCKED FOR UPDATE REF FIM 27-32 TASK 801 FOR YAW DAMPER DISENGAGED AUTOMATICALLY, MEGGERED WIRES FROM FLIGHT RECORDER POS. S