# SDR CALA2026072117930

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2026
- Submitted: July 22, 2026
- Operation: Air carrier
- Aircraft: [N48127](https://openairdocs.org/aircraft/N48127), registered now
- Make and model: Boeing 757224
- Aircraft serial: 28968
- Aircraft time: 101,381 hours, 24,955 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Seal
- Condition: Cracked
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026072117930

## Discrepancy

LOUD SQUEEL CAP COCKPIT WINDOW PASSING 30K 290KNOTS PER FLIGHT CREW REPORT AIRCRAFT STARTED TO MAKE LOUD SQUEEL AT 30K ALT AND STOPPED WHEN DESCENDED TO 19K ALT. NO ISSUE WAS NOTICED WITH PRESSURIZATION.  PERFORMED DETAIL VISUAL INSPECTION AND FOUND SMALL CRACK ON CA WINDOW SEAL.  REF AMM 56-11-53-404-004 REPLACED CAPTS SLIDING WINDOW SEAL. SEALANT APPLIED.  ACCOMPLISHED PRESSURIZATION CHECK TO 4PSI IAW AMM 05-51-24-702-001. NO SQUEALS OR ABNORMAL NOISE NOTED.

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