# SDR 9504836614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N614US](https://openairdocs.org/aircraft/N614US), registered now
- Make and model: Boeing 747251B
- Aircraft serial: 20359
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Mop Sill
- Condition: Corroded
- Location: Fs 862
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9504836614

## Discrepancy

DURING PERIODIC CHECK, THE MOP SILL INSTALLATION UPPER AND LOWER CHORDS AT RBL 117 WERE FOUND CORRODED AT FS 862.  DISCREPANT CHORDS WERE MADE FROM 7075-T6511 EXTRUSION.  MADE REPAIR PER EA 66-93963.

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