Service difficulty report · Stringer Clip · Boeing 7377H4

Difficulty date
January 21, 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
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*** IN AFT CARGO BAY BILGE ON STRINGER CLIP INBOARD OF STR 27L STA 727D+4 FORWARD SIDE OF ANTENNA DOUBLER FORWARD SUPPORT ANGLE (MARKED) DUE TO BLUE WATER SPILL CORROSION FOUND OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS GIVEN IN SRM REMOVED CLIP, FABRICATED FROM BAC1493-672 M#1370754-1, LOCATED, DRILLED, APPLIED, CHEMICAL CONVERSION COATING & PRIMED INSTALLED PER DWG 146A7730, SRM 51-40-05-0G-0, SRM 51-40-02-0G-0, AMM 51-21-41-370-802, AMM 51-21-72-370-804, FASTENERS COMMON TO KEEL BEAM TO BE INSTALLED ON CUSTOMER CARD #U116483, SAMA1294210 BLOCK 8

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