Service difficulty report · Stringer Clip · Boeing 7377H4

Difficulty date
January 30, 2020
Submitted
March 4, 2020
Operation
Air carrier
Aircraft
N426WN
Make and model
Boeing 7377H4
Aircraft serial
29830
Aircraft time
61,080 hours, 36,269 cycles
Part
Stringer Clip
Part number
146A8130
Condition
Corroded
Location
Fuselage
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*** STR CLIP BS 827 STR 27R WL 156 DUE TO BLUE WATER SPILL CORROSION ON STR CLIP BS 827 STR 27R WL 156 FOUND OUT OF LIMITS DUE TO NO SRM ALLOWABLE DAMAGE LIMITS. REMOVED STRINGER CLIP, LOCATED & DRILLED NEW STRINGER CLIP, APPLIED CHEMICAL CONVERSION COATING AND PRIMER TO NEW STRINGER CLIP AND INSTALLED NEW STRINGER CLIP PER SRM 51-40-02-0G-0, MM 51-21-41-370-802, MM 51-21-73-370-804 AND DWG 146A8130, DWG 146A8133, SRM 51-40-05-0G-0.

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