# SDR IPXA2020091436162

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2020
- Submitted: September 14, 2020
- Operation: Air carrier
- Aircraft: [N290UP](https://openairdocs.org/aircraft/N290UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48456
- Aircraft time: 104,154 hours, 19,575 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: AGA717013
- Condition: Cracked
- Location: Bs 1841
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2020091436162

## Discrepancy

INSPECTION TYPE: 2C VERTICAL STIFFNER IS CRACKED AT STA 1841 AND LBL=20.  REMOVED, FABRICATED, AND REPLACED STIFFNER IAW DWG. AGA7170 AND SRM 51-33-01 (MINOR).

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