# SDR CALA9800113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N578PE
- Make and model: Boeing 727243
- Aircraft serial: 21661
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Cracked
- Location: Lt Wing
- 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/CALA9800113

## Discrepancy

INSPECTION FOUND A .625 INCH CRACK IN LT WING UPPER FIXED LEADING EDGE SKIN WHERE NR 3 SLAT OUTBOARD HOOK ATTACHES.  THE CRACK WAS STOP DRILLED IAW SRM 51-10-1.  DOUBLER, BACK STRAP, AND FILLER WERE FABRICATED AND INSTALLED IAW SRM 57-30-4 AND 51-10-2.

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