# SDR DL72K990254

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N526DA](https://openairdocs.org/aircraft/N526DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21586
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 655456719
- Condition: Cracked
- Location: Bs 720-730
- 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/DL72K990254

## Discrepancy

WHILE ACCOMPLISHING LFEC INSPECTION PER SI 4-74176-12, REV B ON THE S4R LAP JOINT, CRACK INDICATIONS WERE FOUND BETWEEN BS 640 AND BS 740.  AFTER GAINING INTERNAL ACCESS AND ACCOMPLISHING THE REQUIRED HFEC INSPECTIONS; ONE CRACK WAS CONFIRMED AT A FASTENER LOCATED AT BS 720+10 ON THE LWR ROW OF THE LWR SKIN PANEL.  REPAIRED PER ERA 332735-14.

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