Service difficulty report · Threshold · Boeing 7378H4

Difficulty date
April 25, 2022
Submitted
May 3, 2022
Operation
Air carrier
Aircraft
N8688J
Make and model
Boeing 7378H4
Aircraft serial
36939
Aircraft time
20,082 hours, 9,414 cycles
Part
Threshold
Part number
146A8123U25
Condition
Corroded
Location
Aft Cargo Bay
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

UPON REMOVAL OF THE AFT CARGO ENTRY THRESHOLD; FOUND SEVERAL AREAS OF CORROSION ON THE MOUNTING SURFACE. / [01] REMOVED AFT CARGO WEB 146A8123U25 PER SRM 51-40-01;[02] ADDED REFERENCE INFO;[03] DRILLED UP NEW AFT. CARGO WEB. REF. SRM. 51-40-05;[04] OK TO INSTALL NEW AFT. CARGO WEB.;[05] REMOVED; AND REPLACED AFT. CARGO THRESHOLD WEB. REF. SRM. 51-40-02;[06] 5. DAVID YECK (TECHNICIAN); 26-APR-2022 06:47 UTC<BR>REMOVED; AND REPLACED AFT. CARGO THRESHOLD WEB. REF. SRM. 51-40-02.<BR>C/W INSPECTION.;[07] ADDED PART; AND BATCH NUMBER.

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