# SDR CALA2026050716071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2026
- Submitted: May 7, 2026
- Operation: Air carrier
- Aircraft: [N68843](https://openairdocs.org/aircraft/N68843), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 60317
- Aircraft time: 35,149 hours, 12,969 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026050716071

## Discrepancy

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.

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