# SDR UIEA99050

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N507MC](https://openairdocs.org/aircraft/N507MC), registered now
- Make and model: Boeing 747230B
- Aircraft serial: 21380
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 65B01714518
- Condition: Cracked
- Location: Bs 420
- Part time: 85,155 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA99050

## Discrepancy

BS 420 LT, FOUND CRACK IN FUSELAGE FRAME AT STR 14E DURING SECT 41 INSPECTION.  CRACK RUNS FROM STRINGER CUT-OUT TO INBOARD.  REPAIRED FRAME WEB PER ACC KLM DFX 99-134 REV 2, FORM 8110-3.  (X)

---
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.