# SDR WRNA200700043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2007
- Submitted: June 22, 2007
- Operation: Air carrier
- Aircraft: [N526UP](https://openairdocs.org/aircraft/N526UP), registered now
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21937
- Aircraft time: 90,844 hours, 17,075 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Damaged
- Location: Bs 765-775
- 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/WRNA200700043

## Discrepancy

DURING -B- CHECK, OUT OF LIMIT LIGHTNING STRIKE DAMAGE WAS FOUND BETWEEN BS 765 & 775 AT LBL 4.5.  DRILLED OUT DAMAGE IAW SRM 53-30-03 FIG 3A AND INSTALLED RIVETS IAW SRM 51-30-02.  THIS IS A CATEGORY-C REPAIR AND REQUIRES INSPECTION AT 1,000 CYCLES.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.