# SDR CALA2026022614114

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2026
- Submitted: February 26, 2026
- Operation: Air carrier
- Aircraft: [N69839](https://openairdocs.org/aircraft/N69839), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 60316
- Aircraft time: 32,922 hours, 12,203 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Mount
- Condition: Unsecure
- Location: Window Drain
- 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/CALA2026022614114

## Discrepancy

R1 WINDOW, LOUD WIND NOISE & WHISTLE FROM TAKEOFF ROLL TO 5000 FT AND 250.   DEBRIEFED FLT CREW, LOUD SOUND STARTED AT 100 KNOTS & GREW LOUDER UNTIL 5000FT,  STOPPED IN CLIMB.  ACFT PRESSURIZED TO A DELTA P OF 2,  FOUND TOO LOUD TO CONTINUE FLT.  CREW COULDN`T PIN POINT SOURCE ANY CLOSER THAN R1. CREW DID NOT NOTICE ANY EXTRA AIRFLOW FROM AROUND WINDOW.   PERFORMED INITIAL LEAK CHKD IAW AMM 5-51-91. NOTICED LEAK AROUND FO SLIDING WINDOW AT 0.2 PSI. INSPECTED & FOUND DRAIN TUBE UNSECURE IN MOUNT, CAUSING WINDOW SEAL ON THE SLIDING WINDOW TO BE DISLODGED ALLOWING IT TO LEAK.  SECURED FO SIDE DRAIN TUBE & PERFORMED PRESSURIZATION AGAIN. NO HISSING OR LEAKS HEARD INSIDE CABIN.  ACFT PRESSURIZED TO 4 PSI. ACFT OKAY FOR SERVICE.

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