# SDR IPXA2021083173355

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2021
- Submitted: August 31, 2021
- Operation: Air carrier
- Aircraft: [N274UP](https://openairdocs.org/aircraft/N274UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48575
- Aircraft time: 73,808 hours, 15,078 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: ANB720313
- Condition: Cracked
- Location: Lt Mlg W/W
- 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/IPXA2021083173355

## Discrepancy

INSPECTION TYPE:1CLT MLG W/W O/B AFT WALL 2ND VERTICAL STIFFENER FROM FWD IS CRACKED.REMOVED AND REPLACED CRACKED LT MLG W/W O/B AFT WALL 2ND VERTICAL STIFFENER FROM FWD IAW SRM 51-33-01. (MINOR)

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