# SDR ASAA2015050911661

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2015
- Submitted: May 11, 2015
- Operation: Air carrier
- Aircraft: [N584AS](https://openairdocs.org/aircraft/N584AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35682
- Aircraft time: 29,744 hours, 8,905 cycles
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Probe
- Part number: TC29604
- Condition: Out Of Limits
- Location: Nr 2 Egt
- Stage of operation: IN
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015050911661

## Discrepancy

DIAGNOSTICS REPORTS NR 2 ENGINE EGT HDM CONTINUES TO SHOW GREATER THAN EXPECTED DATA SCATTER AND MARGIN LOSS.  INDICATION ERRORS STILL SUSPECT.  ACFT GROUNDED. ACCOMPLISHED T49.5 PROBE AND EGT INSPECTION REF AMM 77-21-01.  REPLACED S3 T49.5 PROBE REF AMM 77-21-01.  OPS CHECKED GOOD.

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