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-16L TO S-19L BS787 - BS827. MARKED. / [01] EVALUATED ANOMALIES ON FUSELAGE SKIN AT BS 787+14.5 6.5'BELOW STR 19L D=.0006'; BS 787+12 1'BELOW STR 18L D=.0005'; BS 787+11 6'BELOW STR 17L D=.001'; BS 807+6 6'BELOW STR 18L D=.0015'; BS 807+4.5 5'BELOW STR 17L D=.0003'; BS 827+8 1.5'BELOW STR 18L D=.0002'; BS 827+11 5.5'BELOW STR 17L D=.0002'; BS 827+4 4'BELOW STR 16L D=.001' IAW SRM 53-00-01-1A-1;[02] DEPTH MEASUREMENTS MISSING CAL TOOL REQUIREMENTS.;[03] OPTICAL MICROMETER USED ID:IS000637 S/N:9761 DUE:02/2023<BR>DIAL DEPTH GAUGE USED ID:ATS2677 S/N:UNKNOWN DUE:11/2022.<BR>TOOLING USED FOR CORRECTIVE ACTION 1;[04] VERIFIED CORRECTIVE ACTION ITEM 3;[05] SKIN PANEL TO BE REPLACED ON FAULT TTG8Q00DE55B;[06] VERIFIED CORRECTIVE ACTION 5

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