# SDR ASAA2017050720669

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2017
- Submitted: May 9, 2017
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 10,976 hours, 3,641 cycles
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Probe
- Part number: TC29603
- Condition: Failed
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017050720669

## Discrepancy

DURING TC 78273000, FOUND NR 2 ENGINE FAULT CODE 77-1842. T495 S1 SHOWING BLANK. GROUNDED - YES. REMOVED AND REPLACED T49.5 PROBE S1, REF AMM 77-21-01. OPS NORMAL. READING SHOWING NORMAL.

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