# SDR 2024F00011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2024
- Submitted: January 16, 2024
- Operation: General aviation
- Make and model: Boeing 747*
- Aircraft time: 84,863 hours, 15,661 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Plate
- Part number: 65B03602
- Condition: Cracked
- Location: Zone 300
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2024F00011

## Discrepancy

DURING THE ACCOMPLISHMENT OF ADSI IB744550007: HFEC - HORIZONTAL STABILIZER UPPER SKIN & UPPER REAR SPAR CHORD INSPN-ZONE B (GRP 6), A CRACK WAS FOUND AT THE HORIZONTAL STABILIZER CENTER SECTION UPPER SURFACE LBL 43.5 SPLICE PLATE FASTENER HOLE NO. 7.

---
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.