# SDR 0400916303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2004
- Submitted: June 4, 2004
- Operation: Air carrier
- Aircraft: N663US
- Make and model: Boeing 747451
- Aircraft serial: 23818
- Aircraft time: 63,842 hours, 8,362 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Fuselage
- 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/0400916303

## Discrepancy

DURING L-CHECK FOUND CRACK IN FUSELAGE SKIN BETWEEN BS 2638 & BS 2658 WL 310.  REPAIRED PER EA 63-194964.

---
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.