# SDR CALA2023112903503

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2023
- Submitted: November 29, 2023
- Operation: Air carrier
- Aircraft: [N670UA](https://openairdocs.org/aircraft/N670UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29240
- Aircraft time: 84,415 hours, 17,361 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 112T47044
- Condition: Cracked
- Location: Sta 994 5-9.5
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023112903503

## Discrepancy

WHILE PERFORMING HFEC SURFACE SCAN ON EA 5725-01008, REV B, OP 002, FOUND THE #1 HOLE TO HAVE A CRACK COMING FROM IT. REPAIRED CRACK IN R/W LOWER SKIN AT STA 994 5-9.5 IAW UNITED EC/RA 5720-03357. PART 1 CATEGORY B REPAIR. PERFORM PART 2 ON OR BEFORE 29,361 CYCLES OR 120,414 HOURS. REPEAT EVERY 12,000 CYCLE OR 36,000 HOURS WHICHEVER OCCURS FIRST.

---
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.