# SDR P5CA0501370

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2005
- Submitted: June 29, 2005
- Operation: Air carrier
- Aircraft: [N509MC](https://openairdocs.org/aircraft/N509MC), registered now
- Make and model: Boeing 747230B
- Aircraft serial: 21221
- Aircraft time: 113,433 hours, 21,571 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Vertical Beam
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0501370

## Discrepancy

FOUND 2 CRACKS AT VERTICAL WEB BEAM BS 280 AND ONE CRACK AT BS 320.  VERTICAL WEB BEAM REPAIR ACCOMPLISHED PER BOEING MESSAGE 1-1MEI6G AND FAA FORM 8100-9.

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