# SDR Y2PA2019112600025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2019
- Submitted: November 26, 2019
- Operation: Air carrier
- Aircraft: N811AA
- Make and model: Amd FALCON20
- Aircraft serial: 187
- Aircraft time: 25,266 hours, 19,934 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Frames 16-18
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Y2PA2019112600025

## Discrepancy

DISCREPANCY:DURING C-CHECK AT KBVO, EXCESSIVE CORROSION FOUND AT SPOT WELDS AT FRAME 18, FROM STRINGER 19-22 ON 
BOTH LH AND RH SIDES OF THE FUSELAGE 
CORRECTIVE ACTION:  PHOENIX RISING REPAIRED CORROSION AT LH FRAMES 16-18 AT STRINGERS 19-21 IAW DRAWING 19-068L06 
AND RH FRAMES 17-18 AT STRINGERS 20-22 IAW DRAWING 19-068R12. FAA APPROVAL AS PER 8110-3 MICHAEL LIEBLICH DERT-
710163-SW STRUCTURES DATED 17 OCT 2019

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