# SDR ASAA2018031723980

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2018
- Submitted: March 21, 2018
- Operation: Air carrier
- Aircraft: [N533AS](https://openairdocs.org/aircraft/N533AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35201
- Aircraft time: 28,177 hours, 8,277 cycles
- System (JASC): [7722 · Engine EGT/TIT Indicating System](https://openairdocs.org/jasc/7722)
- Part: Egt Indication
- Condition: Out Of Tolerance
- Location: Nr 2 Engine
- Stage of operation: IN
- 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/ASAA2018031723980

## Discrepancy

DURING ACCOMPLISHMENT OF TC 78273000, THE FOLLOWING FAULT DISPLAYED FOR NR 2 ENGINE. MSG NR 77-20862. BOTTOM LEFT EGT SIGNAL IS OUT OF RANGE (T495S3). FLT LEG 1 AND 2. FAULT TIME IS ECONOMIC. ACFT GROUNDED.  ENGINE SHOWS NO FAULTS OR FAULT HISTORY. BITE TEST DONE REF B737-800 AMM 73-21-00-700-804-F00 WITH NO FAULTS. T49.5 PROBES ARE ALL WITHIN TOLERANCE OF EACH OTHER. GROUND VERIFICATION SUCCESSFUL.

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