# SDR UIEA01071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2001
- Submitted: July 16, 2001
- Operation: Air carrier
- Aircraft: [N516MC](https://openairdocs.org/aircraft/N516MC), registered now
- Make and model: Boeing 747243B
- Aircraft serial: 22507
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Intercostal
- Part number: 65B0187031
- Condition: Cracked
- Location: Bs 340-380
- Part time: 77,446 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA01071

## Discrepancy

DURING INSPECTION, FOUND MAIN DECK FLOOR LINE INTERCOSTALS FROM STATION 340-380 LEFT CRACKED AT NUMEROUS FASTENER HOLES.  TRIMMED OFF SHEAR TIES CONTAINING CRACKED FASTENER HOLES.  PERFORMED HFEC INSPECTION AT CUT LINE TO ENSURE NO CRACKS.  NO CRACKS FOUND.  FABRICATED REPAIR ANGLES, INSTALLED PER STANDARD SRM PRACTICES.  (M)

---
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.
