# SDR VNAA202607300007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2026
- Submitted: July 31, 2026
- Operation: Air carrier
- Aircraft: [N644NN](https://openairdocs.org/aircraft/N644NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15437
- Aircraft time: 15,145 hours, 15,678 cycles
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Angle
- Part number: WA670301131
- Condition: Corroded
- Location: Zone 300
- 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/VNAA202607300007

## Discrepancy

SEVERAL CORROSION ON INTERNAL FUSELAJE SKIN BTW VERTICAL STABILIZER 55.625% TO VERTICAL STABILIZER67.5% AND BTW SGTR 22L TO SGTR 22R THROUTHG ACCES PANEL 362AR.  CORROSION ON INTERNAL FUSELAJE SKIN BTW VERTICAL STAB 55.625% TO VERTICAL STAB 67.5% AND BTW STR 22L TO STR 22R THROUGH ACCES PANEL 362AR WAS REMOVED IAW SRM 51-21-06-001-001-A01 AND WAS EVALUATED THEREFORE IS WITHIN LIMITS IAW SRM 53-00-00-101-001-A01, BUT AREA ON ANGLES WA670-30113-1, WA670-30112-1, WA670-30111-3 WERE EVALUATED THEREFORE ARE OUT OF LIMITS IAW SRM 53-00-00-101-001-A01 AND WERE REPLACED IAW SRM 51-42-06-001-001-A01 AND SRM 51-42-13-001-001-A01.

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