Service difficulty report · Switch · Boeing 737824

Difficulty date
February 14, 2024
Submitted
February 16, 2024
Operation
Air carrier
Aircraft
N17245
Make and model
Boeing 737824
Aircraft serial
28955
Aircraft time
75,433 hours, 27,645 cycles
Part
Switch
Part number
V3L2228
Condition
Intermittent
Location
Sta206.3,S651
Stage of operation
TO
How discovered
O
Nature of condition
S
Precautionary procedure
C

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

What was found

SPEED BRAKE DO NOT ARM W/ TO CONFIG AT 60KTS DURING TO ROLL. LOW SPD REJ. TOMC ADVZ GATE RTN PREFORMED A HIGH ENERGY STOP INSPECTION REF AMM 05-51-07 NO DEFECTS NOTED AT THIS TIME ACCOMPLISHED FIM TASK 27-62 TASK 802 AND BITE TEST ON SMYD-2 SHOWS MX MSG 27-62001 ALSO ACCOMPLISHED GROUND TEST WHICH SHOWS REQUEST MEL 2707C CONFIRMED SPEED BRAKES DEPLOY AND RETRACT C/W MEL PASSED. DUE TO PREVIOUS WRITE UP, SUGGEST REPLACING S651 SPEED BRAKE TAKEOFF WARNING SWITCH. REF FIM 27-62 TASK 808. PLA REMAINS. DISPATCH DESK: 34 NAME: BL DATE: 14-FEB-24- NOC DESK: OM6 NAME: CSAG DATE: 14-FEB-24- BREAKER PULLED AND COLLARED . C/W MEL. PREFORMED A HIGH ENERGY STOP INSPECTION REF AMM 05-51-07 NO DEFECTS NOTED AT THIS TIME. ACCOMPLISHED FIM TASK 27-62 TASK 802 AND BITE TEST ON SMYD-2 SHOWS MX MSG 27-62001 ALSO ACCOMPLISHED GROUND TEST WHICH SHOWS. PASSED. DUE TO PREVIOUS WRITE UP, SUGGEST REPLACING S651 SPEED BRAKE TAKEOFF WARNING SWITCH. REF FIM 27-62 TASK 808. PLA REMAINS. IN REF FIM 27-62 TASK 808, REMOVED SPEEDBRAKE TAKEOFF WARNING SWITCH REF AMM 31-51-03-000-801. INSTALLED NEW SPEEDBRAKE ADD EMP:U352691. TAKEOFF WARNING SWITCH IN REF AMM TASK 31-51-03-400-801, UP TO BUT NOT INCLUDING STEP 3 D (3). REQUIRES STEP 3 D (3) TO COMPLETION. ALL APPLICABLE BREAKERS CLOSED AND PSEU CONNECTORS RECONNECTED. COMPLETED INSTALLATION OF SPEEDBRAKE TAKEOFF WARNING SWITCH REF AMM 31-51-03-400-801. INSTALLATION TEST GOOD.