# SDR CALA2026080418251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2026
- Submitted: August 5, 2026
- Operation: Air carrier
- Aircraft: [N27255](https://openairdocs.org/aircraft/N27255), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 43440
- Aircraft time: 17,473 hours, 5,940 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Unknown
- Condition: Noise
- Stage of operation: AP
- 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/CALA2026080418251

## Discrepancy

DURING INITIAL DESCENT PHASE STRONG ELECTRICAL FEEDBACK NOISE BOTH SIDES,  DEBRIEFED CREW. STATED TOP OF DESCENT TO SHORT FINAL, LOUD NOISE. CREW UNPLUGGED HEADSETS, TURNED OFF SPEAKERS, NOISE STILL PRESENT. SHORT FINAL, NOISE STOPPED. CREW DID NOT MENTION ANYTHING ABOUT ANY ODORS.  PERFORMED PRESSURIZATION TEST IAW AMM 05-51-91-790-801. NO LEAKS, NOISES OR DEFECTS NOTED DURING PRESSURIZATION. CLEANED SLIDING WINDOWS AS PRECAUTION.

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