# SDR CALA2026062417319

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2026
- Submitted: June 24, 2026
- Operation: Air carrier
- Aircraft: [N24702](https://openairdocs.org/aircraft/N24702), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28763
- Aircraft time: 85,846 hours, 31,594 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Part number: 05CAS4694025
- Condition: Leaking
- Location: Zone 200
- Stage of operation: CR
- 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/CALA2026062417319

## Discrepancy

LOUD SQUEALING FROM CAPTAIN SIDE WINDOWS INCREASING WITH ALTITUDE L2 & L3 WINDOWS WERE REPLACED ON THE 16TH AND 18TH.  PRESSURIZ ED THE ACFT AT THE GATE & OBSERVED BUBBLES (LEAKING) FROM EXTERIOR AT L2 WINDOW & PER DEBRIEFING WITH PILOT AIR BLOWING INTO THE FLT DECK FROM THE L3 WINDOW.  REMOVED NER 5 CASCADE WINDOW BLANK IAW 56-11-41.  INSTALLED REPLACEMENT NR 5 LT CASCADE WINDOW BLANK IAW AMM 56-11-41-400-801-C1, WINDOW STILL LEAKING.  INSTALLED NR 5 LT  CASCADE WINDOW BLANK UP TO AND INCLUDING STEP D(1)H REF AMM 56-11-41-400-801-C1. NEXT STEP REQUIRED IS D(1)I, BONDING CHECK. LEAK CHECKED GOOD.  IAW AMM 56-11-41-400-801-C1 PERFORMED D(1)I, BONDING CHECK. BONDING CHECK PASSED IAW AMM 56-11-41-400-801-C1.  INSTALLED INTERIOR BROW PANEL CAPT SIDE IAW AMM 25-11-21 NO DEFECTS NOTED. PAINTED PANEL IAW GPM 10-01-01 AND GPM 05-30-06 NO DEFECTS NOTED.  ACFT OK FOR SERVICE.

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