# SDR USAA2011120500016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2011
- Submitted: December 5, 2011
- Operation: Air carrier
- Aircraft: N409US
- Make and model: Boeing 737401
- Aircraft serial: 23879
- Aircraft time: 63,752 hours, 42,832 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Sliding Window
- Part number: 5717623116
- Condition: Cracked
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2011120500016

## Discrepancy

CREW REPORTED THE RIGHT NR 2 SLIDING WINDOW STARTED TO ARC, THEN CRACKED.  TURNED OFF WINDOW HEAT RIGHT SIDE.  MAINTENANCE REPLACED THE RIGHT NR 2 SLIDING WINDOW PER AMM 56-12-11-401.  ALSO, FOR PRECAUTIONARY MAINTENANCE, REPLACED RIGHT WINDOW HEAT CONTROL UNIT PER AMM 30-41-11-401.  OPS CHECK GOOD.  AIRCRAFT OK FOR SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.