# SDR IXXA20211018078

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2021
- Submitted: October 19, 2021
- Operation: Air carrier
- Aircraft: [N1439A](https://openairdocs.org/aircraft/N1439A), registered now
- Make and model: Boeing 767-33AER
- Registry model: [Boeing 767-33AER](https://openairdocs.org/model/boeing-767-33aer) (OpenAirDocs)
- Aircraft serial: 28495
- Aircraft time: 74,880 hours, 17,901 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Stiffener
- Part number: 145T8752181
- Condition: Cracked
- 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/IXXA20211018078

## Discrepancy

WEB ON STIFFENER AT STATION 971 LBL 90 HAS DAMAGED HOLE. REMOVED, FABRICATED AND REPLACED NEW STIFFNER AT STATION 971 LBL 90 IAW ENGINEERING ORDER 74783FAB01.

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