# SDR UIEA01066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2001
- Submitted: July 12, 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: Frame
- Part number: 65B017145003
- Condition: Cracked
- Location: Bs 420
- 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/UIEA01066

## Discrepancy

DURING INSPECTION, FOUND FRAME WEB DOUBLER STATION 420 CRACKED AT STRINGER 16L COMMON TO THE STRINGER CUT-OUT.  CRACK NOT STOP DRILLED DUE TO CRACK PROXIMITY TO EDGE OF THE PART.  FABRICATED DOUBLER AND INSTALLED PER STANDARD PRACTICES IAW SRM 53-10-04.  REINSPECT AREA PER SB 747-53A2265 AT 3000 CYCLE INTERVALS.  (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.