Service difficulty report · Skin · Boeing 7378H4

Difficulty date
June 15, 2022
Submitted
September 22, 2022
Operation
Air carrier
Aircraft
N8656B
Make and model
Boeing 7378H4
Aircraft serial
42530
Aircraft time
24,599 hours, 11,090 cycles
Part
Skin
Condition
Defective
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

ANOMALY ON EXTERNAL FUSELAGE SKIN S-14L TO S-16L BS827 - BS887. MARKED. / [01] PERFORMED CLAD PENETRATION TEST IN SEVERAL LOCATIONS ON SKIN PANEL BS 727 TO 887 S-14L TO S-23L LISTED BELOW PER SRM51-10-07-0G-0 PARA. 5D-E<BR><BR>1) BS 807-827 S-16L TO S-17L<BR>2) BS 807-827 S-17L TO S-18L<BR>3) BS 827-847 S-14L TO S-15L<BR>4) BS 827-847 S-15L TO S-16L<BR>5) BS 847-867 S-14L TO S-15L<BR>6) BS 847-867 S-15L TO S-16L<BR>7) BS 847-867 S-16L TO S-17L<BR>8) BS 867-887 S-15L TO S-16L<BR>9) BS 867-887 S-16L TO S-17L<BR><BR>CLAD WAS NOT PENETRATED AT ANY OF THE LOCATIONS;[02] ADDITIONAL LOCATIONS TESTED FOR CLAD PENETRATION PER SRM 51-10-07-0G-0 PARA. 5 D-E<BR><BR>10) BS 767-787 S-20L TO S-21L<BR>11) BS 767-787 S-21L TO S-22L<BR>12) BS 787-807 S-20L TO S-21L<BR><BR>AGAIN CLAD WAS NOT PENETRATED AT THESE LOCATIONS;[03] INSPECTED ACTION 1;2;[07] SKIN PANEL TO BE REPLACED ON FAULT TTG8Q00DE55B;[08] VERIFIED CORRECTIVE ACTION 7

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