# SDR IPXA2025021200052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2025
- Submitted: February 12, 2025
- Operation: Air carrier
- Aircraft: [N449UP](https://openairdocs.org/aircraft/N449UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27738
- Aircraft time: 30,553 hours, 20,050 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Part number: 141T480149
- Part serial: 12354H0624
- Condition: Overheated
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: M
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2025021200052

## Discrepancy

L/H #1 WINDOW SHOWING SIGNS OF WINDOW HEAT OVERHEAT/ARCING DAMAGE INSTALLED L1 WINDOW IAW AMM 56-11-01 UP TO AERO DYNAMIC SEALANT REF T3F18E0061ZX1REF T3F18E0061ZX1 FOR AERO DYNAMIC SEALANT DEFERRAL

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