Service difficulty report · Plate · Boeing 7377H4

Difficulty date
November 13, 2020
Submitted
December 14, 2020
Operation
Air carrier
Aircraft
N932WN
Make and model
Boeing 7377H4
Aircraft serial
36639
Aircraft time
39,276 hours, 23,728 cycles
Part
Plate
Part number
143A7501
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 CHANNEL SIDEPLATE LOCATED BS 500A TO BS 500B AND STR 26L WL 156 AT FWD CARGO COMPARTMENT. BLENDED CORROSION ON CHANNEL SIDE PLATE LOCATED BS 500A TO BS 500B AND STR 26L WL 156 AT FWD CARGO COMPARTMENT MEASURE: P1 L=0.876' W=0.590'; P2 L=0.792' W=0.538'. EVALUATED AND FOUND OUT OF LIMITS DUE TO FOUND EXFOLATION CORROSION MRT IS:0.00', IAW B737-700 SRM 53-00-53-1A-2 PAR 4A(2). REPAIRED CHANNEL SIDE PLATE, IAW B737-700 SRM 53-00-53-2R-5 AND DWG 143A7501 SHEET 1 REV B WITH REPAIR ZEE CHANNEL AND SPLICE LOCATED BETWEEN BS 480 AND BS 500D AT STR 26L WL 156.

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