# SDR ASAA2014081608856

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2014
- Submitted: August 19, 2014
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 22,633 hours, 6,964 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7700 · Engine Indicating System](https://openairdocs.org/jasc/7700)
- Part: Probe
- Part number: TC29603
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014081608856

## Discrepancy

DIAGNOSTICS REPORTED NR 1 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE INDICATIVE OF EGT INDICATION ERRORS.  ACFT GROUNDED.  PERFORMED T49.5 PROBE & EGT SYSTEM INSPECTION AMM TASK 77-21-200-801-F00.  T49.5 S4 PROBE FAILED RESISTANCE CHECK. R & R T49.5 S4 PROBE.  OPS CHECKED GOOD.  IAW AMM 77-21-01 FOR T49.5.

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