# SDR U2RA202604110007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2026
- Submitted: April 25, 2026
- Operation: Air carrier
- Aircraft: [N952CA](https://openairdocs.org/aircraft/N952CA), registered now
- Make and model: Boeing 747428
- Aircraft serial: 25238
- Aircraft time: 118,511 hours, 18,018 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Doubler
- Part number: 65B01870
- Condition: Cracked
- Location: Zone 300
- Part time: 118,511 hours, 18,018 cycles
- 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/U2RA202604110007

## Discrepancy

0.7" CRACK HAS EXTENDED FROM THE STOP HOLE OF THE PREVIOUS CRACK AT R/H STABILIZER UPPER LOBE DOUBLER. REPAIR COMPLETED PER :CASTLE ID: 202603060065:  BOEING 8100-9 ISSUED DATED 04/21/2026. REF ID 202603060065-0011

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