Service difficulty report · Support · Boeing 7377H4

Difficulty date
February 3, 2022
Submitted
March 3, 2022
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 7377H4
Aircraft serial
33859
Aircraft time
59,572 hours, 35,384 cycles
Part
Support
Condition
Corroded
Location
Fwd Cargo Bay
Stage of operation
UK
How discovered
9
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 FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT B.S. 500B+6; 500B+14; 500C+2 AND 500C+13 L.B.L. 25. / [01] EVALUATED CORROSION ON FLOOR TO SIDEWALL SUPPORT AT ALL LOCATIONS; FOUND DEEPEST LOCATION TO BE AT BS 500B+6 RBL 25 WL 156 FOUND 0.015 REMOVED FROM ORIG 0.040 IN 1'X1' AREAS FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING DIAL DEPTH GAUGE ATS 2473; FLOOR TO SIDEWALL SUPPORT TO BE REPLACED ON CUST CARD# TTG8Q00ANGLK;[02] VERIFIED CORRECTIVE ACTION ENTRY 1. CARD COMPLETE.

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