# SDR FDEA201811163266

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2018
- Submitted: November 17, 2018
- Operation: Air carrier
- Aircraft: N550FE
- Make and model: Doug MD-10-10F
- Registry model: [Doug MD-10-10F](https://openairdocs.org/model/mcdonnell-douglas-md-10-10f) (OpenAirDocs)
- Aircraft serial: 46521
- Aircraft time: 90,885 hours, 37,498 cycles
- Engine: Ge CF66D
- Engine time: 2,383 hours, 1,417 cycles
- System (JASC): [7722 · Engine EGT/TIT Indicating System](https://openairdocs.org/jasc/7722)
- Part: Lead
- Part number: 8TE34BCE3
- Condition: Defective
- Location: Nr 1 Egt
- 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/FDEA201811163266

## Discrepancy

AS AUTO THROTTLES WENT TO CLIMB TRUST, NR 1 EGT WENT TO 1018' WITH "ENG 1 EXCEEDANCE" ALERT. C/W MTSI, R&R ALL NR 1 EGT THERMOCOUPLE PROBES AND FWD AND AFT LEADS I/R/T MM 77-21-01-2. RAN ENGINE NR 1 AND NR 3 FOR COMPARISON. ENGINE NR 1 START EGT 560, EGT 375 AT IDLE, FF 1130 N2 58.0 N1 22.3. COMPARED TO ENGINE NR 3 WITHIN 1 DEGREE OF START EGT, AND 16 DEGREES AT STABLIZED IDLE. REFER TO R&R OF PARTS ON MTSI 77-20/6781.

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