# SDR EIAA2007040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2007
- Submitted: March 2, 2007
- Operation: Air carrier
- Aircraft: [N471EV](https://openairdocs.org/aircraft/N471EV), registered now
- Make and model: Boeing 747273C
- Aircraft serial: 20651
- Aircraft time: 96,101 hours, 22,811 cycles
- System (JASC): [5534 · Vertical Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5534)
- Part: Structure
- Part number: 65B033371
- Condition: Corroded
- Location: Vertical Stab
- 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/EIAA2007040

## Discrepancy

STAB COMPARTMENT VERTICAL FIN INSPECTION FOUND TOP BOX CORRODED (EXFOLIATION) LEFT SIDE CHORD AT STA 395.  CORROSION BLENDED OUT HFEC INSPECTED, ALODINE AND PRIMED, FASTENERS INSTALLED.

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