# SDR IPXA2025100313780

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2025
- Submitted: October 6, 2025
- Operation: Air carrier
- Aircraft: [N173UP](https://openairdocs.org/aircraft/N173UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0868
- Aircraft time: 20,435 hours, 12,399 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: A5378103821500
- Condition: Cracked
- Location: Zone 200
- 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/IPXA2025100313780

## Discrepancy

MDC FLOOR, R/H SIDE, BTW FR 37 AND FR 38, DOG BONE SUPPORT BROKEN.  REMOVED AND REPLACED THE DOG BONE SUPPORT BTW FR 37 AND FR 38 R/H SIDE IAW A300-600 SRM 51-40-21.

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