# SDR ASAA2013012193718

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2013
- Submitted: January 24, 2013
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 23,402 hours, 7,163 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Probe
- Part number: TC29604
- Condition: Corroded
- 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/ASAA2013012193718

## Discrepancy

REF T/C N8420001 T49.5 S2 AND S4 PROBES, PINS HAVE CORROSION/CONTAMINATION AND REQUIRE REPLACEMENT IAW AMM70-70-01-200-801-F00.  RT ENGINE.  ACFT GROUNDED. ACCOMPLISHED ALTERNATE DEACTIVATION 05-07-01, TABLE 3, ITEM 1.  REPLACED S2 AND S4 T49.5 PROBES AT NR 2 ENGINE.  REVERSED ALT DEACTIVATION.  OPS NORMAL REF MM77-21-01.

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