# SDR ANCF200200019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2002
- Submitted: October 16, 2002
- Operation: Air carrier
- Aircraft: [N986AN](https://openairdocs.org/aircraft/N986AN), registered now
- Make and model: Boeing 767259
- Aircraft serial: 24835
- Aircraft time: 54,232 hours, 9,652 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Seal
- Part number: S141T4871
- Condition: Damaged
- Location: Window
- 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/ANCF200200019

## Discrepancy

DURING CRUISE WITH A DIFFERENTIAL PRESSURE OVER 4.5, THERE IS A LOUDLY NOISE COMING OUT OF 2L WINDOW. MASKING CREW AND ATC COMMUNICATIONS IMPOSSIBLE, CREW DECIDED TO RETURN TO EDR.   FOUND 2L WINDOW SEAL DAMAGED, CAUSING A PRESSURIZATION LEAK, REMOVED AND REPLACED 2L WINDOW SEAL IAW AMM 56-11-11 PAG 401, PERFORMED PRESSURIZATION LEAK TEST IAW AMM 05-51-24 PAG 201 TO 209, WITH SATISFACTORY RESULTS.

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