# SDR UIEA2021041600910

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2021
- Submitted: April 27, 2021
- Operation: Air carrier
- Aircraft: [N1489A](https://openairdocs.org/aircraft/N1489A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27206
- Aircraft time: 109,229 hours, 21,828 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Condition: Corroded
- Location: Bs 500-588
- 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/UIEA2021041600910

## Discrepancy

FWD CARGO COMPT. DOOR CUTOUT LOWER SILL BEAM UPPER SURFACE ANGLE ATTACHED TO SILL BEAM HAS 4EA SPOTS OF CORROSION BETWEEN STA 500 AND 588(<P>REMOVED AND REPLACED 4EA STIFFENERS ON FWD CARGO DOOR CUTOUT LOWER SILL BEAM IAW B767 SRM 51-40-02 DUE TO ORIGINAL EVALUATION THERE ARE NO PERMITTED LIMITS AVAILABLE IAW B767 SRM 53-00-51-1A-1</P>)

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