# SDR ASAA2016032016028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2016
- Submitted: March 22, 2016
- Operation: Air carrier
- Aircraft: [N435AS](https://openairdocs.org/aircraft/N435AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43292
- Aircraft time: 9,493 hours, 3,123 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Sliding Window
- Part number: 56100025
- Part serial: 13217H5264
- Condition: Failed
- Location: Left
- Part time: 9,493 hours, 3,123 cycles
- Stage of operation: CR
- 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/ASAA2016032016028

## Discrepancy

LEFT WINDSHIELD SIDE WINDOW HEAT LIGHT ILLUMINATED AT FL340.  FOLLOWED QRC.  LIGHT RE-ILLUMINATED.  ACFT GROUNDED.  CONFIRMED LT SIDE WINDOW OVERHEAT.  WHCU BITE SHOWS SENSOR FAULT.  VISUAL INSPECTION SHOWS DELAMINATION ACROSS PRIMARY SENSOR AND RESISTANCE OUT-OF-LIMITS AMM 30-41-21-760-801.  REPLACED LT NR 2 WINDOW IAW AMM 56-12-11-400-801.

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