# SDR NQ52002F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2002
- Submitted: July 24, 2002
- Operation: Air carrier
- Aircraft: N51255
- Make and model: Cvac 440
- Aircraft serial: 383
- Engine: Allsn 501D13
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 340331025221
- Condition: Cracked
- Location: Fuselage
- Part time: 18,207 hours
- 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/NQ52002F00000

## Discrepancy

SLIGHT SURFACE CRACKING DETECTED IN THE RADIUS OF INTERCOSTAL (TEE) PN3403310252-21 (FORWARD RIGHT ESCAPE HATCH FRAME). INTERCOSTAL IS PART OF FUSELAGE BELTFRAME ASSEMBLY AT FS 334.749 AND PROVIDES THE FORWARD, VERTICAL SEATING SURFACE FOR THE ESCAPE HATCH.

---
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.