# SDR VNAA202604010054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2026
- Submitted: April 2, 2026
- Operation: Air carrier
- Aircraft: [N500AE](https://openairdocs.org/aircraft/N500AE), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10025
- Aircraft time: 50,491 hours, 39,355 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: MM67035301
- Condition: Corroded
- Location: Zone 200
- 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/VNAA202604010054

## Discrepancy

RBL 9 FLOOR BEAM IS CORRODED BETWEEN FS 1031 AND FS 1069.   UPON FURTHER INVESTIGATION, FOUND RBL9 FLOOR BEAM BETWEEN FS1031 - FS1069 TO BE OUT OF LIMITS DUE TO NO DAMAGE ALLOWED IAW CRJ700 SRM 53-61-43-101-001-A01. REMOVED CORROSION IAW CRJ700 SRM 51-21-06-001-001-A01 FOR ENGINEERING DISPOSITION. PERFORMED UT THICKNESS OF FLOOR BEAM RBL9 FS1031-FS1069 REWORKED AREA IAW CRJ 700 NDTM PART 1 51-20-004-270-A01. FOUND LOWEST REMAINING THICKNESS TO BE 0.071", MARKED ON ATTACHED PHOTOS. HFEC PERFORMED ON REWORKED AREAS IAW REO 670-53-61-2529 REV - DATED 2025-07-21 STEP 2 NO INDICATIONS NOTED AT THIS TIME. COMPLIED REO 670-53-61-2529 REV-- D

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