# SDR CALA2026042715728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2026
- Submitted: April 27, 2026
- Operation: Air carrier
- Aircraft: [N68453](https://openairdocs.org/aircraft/N68453), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 41742
- Aircraft time: 43,161 hours, 15,955 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Drain Line
- Condition: Displaced
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026042715728

## Discrepancy

VERY LOUD SQUEEL  CLIMBING THROUGH 9000 RETURNED TO IAD DURING INITIAL EVALUATION FOUND CAPTS P5 CONDENSATION DRAIN TUBE DISPLACED AND CAUSING RH #2 SLIDING WINDOW SEAL TO NOT MAKE CONTACT FOR A PROPER SEAL. RESECURED CAPTS DRAIN TUBE, AND ACP CABIN PRESSURIZATION REF AMM TASK 05-51-91-790-801, NO SQUEALING OR LEAKAGE NOTED.

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