Service difficulty report · Stiffener · Bombdr CL6002D15

Difficulty date
July 18, 2025
Submitted
October 14, 2025
Operation
Air carrier
Aircraft
N640NN
Make and model
Bombdr CL6002D15
Aircraft serial
15425
Aircraft time
13,927 hours, 14,570 cycles
Part
Stiffener
Part number
WA670301071
Condition
Corroded
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

CORROSION ON STIFFENER FWD LOWER PANEL(4E/A), CHANNEL FWD LOWER PANEL(2E/A),ANGLE FWD LOWER PANEL(2E/A), SUPPORT ANGLE(2E/A) AFTER TO 67.50% REARSPAR DATUM THROUGH ACCESS PANEL 326AR.. CORROSION ON STIFFENER FWD LOWER PANEL(3E/A), CHANNEL FWD LOWER PANEL(2E/A), ANGLE FWD LOWER PANEL(2E/A), SUPPORT ANGLE(2E/A) AFTER TO 67.50% REARSPAR DATUM THROUGH ACCESS PANEL 326AR WAS REMOVED PER CRJ/900 SRM 51-21-06-001-001-A01 AND EVALUATED WITHIN LIMITS PER CRJ/900 SRM 53-84-03-101-002-A01, SRM 53-84-23-101-003-A01 AND SRM 53-85-00-101-001-A01. DUE TO EXCESSIVE DAMAGED STIFFENER FWD LOWER PANEL (P/N: WA670-30107-1) WAS REPLACED PER CRJ/900 SRM 53-84-03-101-002-A01 AND SRM 51-42-06-001-001-A01.