# SDR CALA2022071801802

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2022
- Submitted: July 18, 2022
- Operation: Air carrier
- Aircraft: [N34460](https://openairdocs.org/aircraft/N34460), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 37200
- Aircraft time: 29,343 hours, 10,357 cycles
- Engine: Cfmint CFM567B26E
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Connector
- Part number: NA
- Condition: Carboned
- Location: #1 Eng
- Stage of operation: CL
- How discovered: O
- Nature of condition: M
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022071801802

## Discrepancy

ENGINE #1 OVERTEMPERATURE (EXCEPT STARTING) EGT OVER REDLINE.CONNECTORS AND FOUND LOWER LH EGT PROBE CONNECTOR WITH CARBON BUILT UP, SUGGEST CHANGING S3 EGT PROBES THEN PERFORM A POWER ASSURANCE RUN TO VERIFY CORRECTION. REPLACED THERMOCOUPLES S3 AND S4.PREFORMED POWER ASSURANCE CHECK TEST 5 ALL PARAMETERS WITH IN LIMITS.

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