# SDR REXA2026083101765

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2026
- Submitted: August 31, 2026
- Operation: Air carrier
- Aircraft: [N549CA](https://openairdocs.org/aircraft/N549CA), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15164
- Aircraft time: 41,008 hours, 41,008 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Web
- Part number: CC670341703
- 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/REXA2026083101765

## Discrepancy

"LH FS 280 WEB IS CORRODED AT LBL 11. REMOVED CORROSION FROM L/H F.S. 280 WEB IAW CRJ 900 SRM 51-21-06-001-001-A01. FOUND TO BE OUT OF LIMITS IAW CRJ 900 SRM 53-11-10-201-003-A01. ORIG. .040"", REMOVED .007"" REMAINING .033"", ALLOWABLE .005"" REQUIRES REPLACEMENT., FABRICATED LOCATED, DRILLED AND TRIMMED TO FIT NEW LH LOWER WEB AT FS 280.00 MADE OF 7075 T6. 0.040"". PO:WP-66452 AND LH FS 280.00 BULKHEAD BUTTSTRAP MADE OF 7075 -T6. 0.040"". PO:WP-66452. IAW CRJ900 SRM 53-11-10-201-004-A01. CRJ900 SRM 51-40-11-001-001-A01. AND CRJ900 SRM 51-24-36-001-001-A01 INSTALLED NEW SERVICEABLE LH FS 280.00 BULKHEAD BUTTSTRAP AND LOWER WEB IAW CRJ900 SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-13-001-001-A01 AND CRJ900 SRM 53-11-10-201-004-A01. RESTORE SURFACE FINISH, APPLIED FILLET SEAL AND CLEANED LH LOWER WEB AT FS 280 IAW STEPS 5.B (6 TO 10). AND 6A (CLOSE OUT) OF CRJ900 SRM 53-11-10-201-004-A01."

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