SDR SWIA20251110815

Service difficulty report · Drain Mast · Cndair CL6002D24

Difficulty date: August 15, 2025
Submitted: November 10, 2025
Operation: Air carrier
Aircraft: N249LR
Make and model: Cndair CL6002D24
Aircraft serial: 15275
Aircraft time: 25,100 hours, 19,119 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Drain Mast
Condition: Scratched
Location: Zone 100
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFT DRAIN MAST MATING SURFACE FOUND TO BE SCRATCHED AND SIGNS OF CORROSION (C-CHECK RO 11/07/2025)BLENDED CORROSION DAMAGE TO FUSELAGE SKIN BTW FS1031.00 -FS 1051.30 AND STR27-STR26R, FOUND TO BE WITHIN LIMITS IAW CRJ900 SRM 53-61-01, 51-12-00, MHIRJ REO 690-53-61-1663, REV: --, DATE: 2025-08-22, CRJ900 AMM 21-31-00NDT PERFORMED BY BARON NDT, LLC FAA CRS# 5NDR545D, REPORT# S081625-8,P.O.# 177801, DATE 16-AUG-2025, SEE REPORT FOR DETAILS TOOL USED: DIGITAL CALIPER ID: AV-7805, CAL DUE: JAN-2026