# SDR ASAA12511595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2012
- Submitted: May 30, 2012
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 12,951 hours, 4,006 cycles
- Engine: Cfmint CFM567B273
- System (JASC): [3097 · Ice/Rain Protection System Wiring](https://openairdocs.org/jasc/3097)
- Part: Connector
- Part number: BACC45FT105P
- Condition: Loose
- Location: L2 Window Heat
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA12511595

## Discrepancy

WINDOW HEAT LT SIDE "OVERHEAT" LIGHT ILLUMINATED ON LANDING AS THRUST REVERSERS WERE DEPLOYED.  LIGHT REMAINED ON DURING ROLL OUT & TAXI.  PERFORMED QRH.  LIGHT RE ILLUMINATED.  ACFT GROUNDED. LT SIDE WHICH SHOWS AN ACTIVE "SENSOR FAULT". WHILE INSPECTING LT SIDE WINDOW HEAT SENSOR WIRES, FOUND LOWER AFT STUD BACKED OUT 3 FULL TURNS RESECURED SENSOR WIRE STUD & RETESTED LT SIDE WHICH NO CURRENT FAULTS BITE CHECKED OK REF MM 30-41-00.  GROUND VERIFICATION OF ETOPS SIGNIFICANT SYS CHECKED GOOD.

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