# SDR AALA20170202021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2017
- Submitted: February 2, 2017
- Operation: Air carrier
- Aircraft: [N190AA](https://openairdocs.org/aircraft/N190AA), registered now
- Make and model: Boeing 757223
- Aircraft serial: 32384
- Aircraft time: 55,605 hours, 13,773 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Part number: 141T480150
- Part serial: TX3898R
- Condition: Cracked
- Location: Cockpit
- Part time: 42,703 hours, 10,573 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20170202021

## Discrepancy

AIRCRAFT WAS GROUNDED. DURING CRUISE, THE RIGHT FORWARD PILOT/CO-PILOT WINDOW PANE CRACKED. AIRCRAFT PRESSURE WAS MAINTAINED. REMOVED AND REPLACED THE R1 WINDOW ASSEMBLY IAW AMM 56-11-01 AND THE WINDOW HEAT CONTROLLER UNIT IAW AMM 30-41-01 (AALA20170202022). OPERATIONAL CHECK GOOD.

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