# SDR AALA202502117570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2025
- Submitted: February 11, 2025
- Operation: Air carrier
- Aircraft: [N118NN](https://openairdocs.org/aircraft/N118NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6162
- Aircraft time: 33,323 hours, 10,941 cycles
- Engine: Iae V2533A5
- Engine time: 36,168 hours, 14,432 cycles
- System (JASC): [7797 · Engine Indicating System Wiring](https://openairdocs.org/jasc/7797)
- Part: Wire Harness
- Condition: Damaged
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202502117570

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO SEA DUE TO THE FLIGHT CREW REPORTING THAT THE #1 ENGINE EGT GUAGE SHOWS AMBER XX INFLIGHT. THE AIRCRAFT LANDED SAFELY AT SEA AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE FOUND ALL 4 HARNESS ATTACHMENT STUDS DAMAGED ON EGT THERMOCOUPLE OUTBOARD LOWER. MAINTENANCE REPLACED THE #1 ENGINE EGT HARNESS (AALA202502119539) PER AMM 77-21-43 ALONG WITH ALL 4 THERMOCOUPLES ON THE #1 ENGINE PER AMM 77-21-15. (POSITION L1 - AALA202502117570, POSITION L2 - AALA202502111588, POSITION R2 - AALA202502110145 AND POSITION R1 - AALA202502116976) A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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