Service difficulty report · Sensor · Boeing 737924ER

Difficulty date
May 5, 2026
Submitted
May 7, 2026
Operation
Air carrier
Aircraft
N68843
Make and model
Boeing 737924ER
Aircraft serial
60317
Aircraft time
35,149 hours, 12,969 cycles
Engine
Cfmint CFM567B27E
Part
Sensor
Part number
1296943
Part serial
7093
Condition
Faulted
Location
Nr 2 Engine
Part time
35,148 hours, 12,968 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

CREW REPORTED RT BLEED TRIP OFF LIGHT ILLUMINATED DURING CLIMB. WOULD NOT EXTINGUISH WITH QRH. NO VISUAL INDICATIONS OF PACK PROBLEM. VISUALLY INSPECTED CONNECTORS DP1102 AND D528, NO DEFECTS NOTED. PERFORMED WIRING CHECKS, BETWEEN DP1102 PIN10, D528 PIN2 AND D10002B PIN24. RESISTANCE CHECK OK. AND MEGGED UP TO 2500V WITH MEGGER, NO SHORTS TO GND OR BACKSHELLS. ALL WIRE CHECKS OK. RECONNECTED CONNECTORS DP1102 AND D528. REF LP 8791842 490 F OVERTEMPERATURE SWITCH,S21 REPLACMENT, LP 879190 450 THERMOSTAT REPLACEMENT, REF LP 8794529 HIGH POWER RUN TEST, TEST PASSED NO BLEED TRIP OFF, AIRCRAFT IS READY FOR TEST FLIGHT LP 8793136 LP; 8791920. REF LOG 8788060 REPLACED 450 SENSOR IAW AMM 36-11-05/401.