# SDR DL72K990805

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N412DA](https://openairdocs.org/aircraft/N412DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21232
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 65545703
- Condition: Cracked
- Location: Bs 440-460
- 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/DL72K990805

## Discrepancy

FUSELAGE SKIN FS 440-460 STRINGER 4R SKIN LAP SPLICE, CRACK REPAIR.  LFEC INSPECTION OF THE STRINGER 4R SKIN LAP SPLICE BETWEEN FS 360 AND 481 INDICATED A CRACK IN THE LOWER FASTENER ROW OF THE LOWER SKIN.  INTERNAL HFEC INSPECTION CONFIRMED A SINGLE CRACK BETWEEN FS 440 AND 460.  THE CRACK WAS ROUTED OUT OF THE SKIN LAP AND REPAIRED PER B727 SRM 53-30-5, FIG 5 AND  DOCUMENTED PER ER/A 367142-14AD.

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