# SDR ASAA2017090121809

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2017
- Submitted: September 5, 2017
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 36,875 hours, 11,242 cycles
- System (JASC): [7797 · Engine Indicating System Wiring](https://openairdocs.org/jasc/7797)
- Part: Wire Harness
- Part number: 3250455020
- Condition: Defective
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017090121809

## Discrepancy

NR 2 ENGINE EGT 50 TO 65 DEGREES HOTTER THAN ENGINE NR 1 DURING CLIMB, 50 DEGREES HOTTER THAN ENGINE NR 1 AT CRUISE. GROUNDED - YES. REMOVED & REPLACED THE NR 2 ENGINE CJ9, CJ10, J10 HARNESSES & ALL 4 T49.5 EGT PROBES REF AMM 73-21-06 AND 77-21-01. GROUND VERIFICATION REPAIR CONFIRMATION SUCCESSFUL REFERENCE FIM 77-05 TASK 801.

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