# SDR DU4R2007111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2007
- Submitted: April 26, 2007
- Operation: Air carrier
- Filed by: [AAR Aircraft Services, LLC, repair station DU4R141M](https://openairdocs.org/faa-repair-station/DU4R141M/aar-aircraft-services-llc.md) (OpenAirDocs)
- Aircraft: N637DL
- Make and model: Boeing 757232
- Aircraft serial: 23760
- Aircraft time: 63,682 hours, 29,970 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Damaged
- Location: Bs 660-680
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DU4R2007111

## Discrepancy

FOUND 2 LIGHTNING STRIKES BETWEEN BS 660 - BS 680 AND S-4R – S-6R.  REPAIRED BY CUTTING OUT .750" CIRCLE AT LIGHTNING STRIKE AREA.  HFEC CUT OUT IAW D6-34N301-6-51-00-19, NO RELEVANT INDICATIONS NOTED.  FABRICATED AND INSTALLED REPAIR DOUBLER 5.5" BY 5.5 FROM 2024-T3 .090 AND SHEAR TIE FROM 7075-T6 .050" IAW B757 SRM 51-40-05, 51-40-06, 51-40-08, 51-40-02 AND 53-00-01 FIG 201 REPAIR (7).

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