Service difficulty report · Skin · Boeing 7377BD

Difficulty date
January 7, 2021
Submitted
January 28, 2021
Operation
Air carrier
Aircraft
N7724A
Make and model
Boeing 7377BD
Aircraft serial
36725
Aircraft time
36,671 hours, 19,328 cycles
Part
Skin
Condition
Corroded
Location
Fuselage
Stage of operation
IN
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 EXTERNAL SKIN BS 887 BETWEEN STR 23R AND 23L AT LOWER FUSELAGE / REMOVED CRROSION LOC ON EXTERNAL SKIN P1 STA 886TO STA 887BTW STR23R TO STR23L.THE MEASURE OF REWORKED IS L=77' W=1.875' AND P2 STA 887 TO STA 888 BTW STA 23R TO STR23L. THE MEASURE OF REWORKED IS L=77' W= 1.967' TOOL USED CALIPER 700-113-10 SN 002865 DUE DATE 10OCT21 AND FOUND WITHIN LIMITS IAW B737-700 P1 SRM 53-00-01-1A-5 PARAGRAPH 4A ITEM 2 DETAIL C;E TABLE 101 AND P2 SRM 53-00-01-1A-1 PARAGRAPH 4B ITEM2 DETAIL C E AND MINIMUN REMAINING THICKNESS ARE P1 0.076' P2 0.054'

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