# SDR DL72W990748

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N831L](https://openairdocs.org/aircraft/N831L), registered now
- Make and model: Boeing 727-2Q8
- Registry model: [Boeing 727-2Q8](https://openairdocs.org/model/boeing-727-2q8) (OpenAirDocs)
- Aircraft serial: 21826
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 65545664
- Condition: Cracked
- Location: Bs 540-560
- 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/DL72W990748

## Discrepancy

LFEC INSPECTION OF THE STRINGER 26L SKIN LAP SPLICE BETWEEN FS 480 AND 680 INDICATED A CRACK IN THE LOWER FASTENER ROW OF THE LOWER SKIN PANEL.  INTERNAL HFEC INSPECTION CONFIRMED 3 CRACKS BETWEEN FS 540 AND 560.  THE CRACKS WERE CUT OUT OF THE SKIN LAP AND REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER PER B727 SRM 53-30-3, FIG 5 AND DOCUMENTED PER ER/A 367107-14AD.

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