Service difficulty report · Post · Boeing 7378H4

Difficulty date
August 9, 2022
Submitted
August 30, 2022
Operation
Air carrier
Aircraft
N8647A
Make and model
Boeing 7378H4
Aircraft serial
42528
Aircraft time
27,244 hours, 12,560 cycles
Part
Post
Condition
Corroded
Location
Aft 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

LAVATORY D. UPON INSPECTION FOUND VISUAL EVIDENCE OF CORROSION ON BOTTOM OF AFT DOOR POST . / [01] REMOVED HEADER AND AFT DOOR POST FROM LAVATORY D TO BE REPAIRED PER CMM25-48-25;[02] REMOVED 6'FROM THE BOTTOM OF LAV D DOOR POST AS INSTRUCTED IN YOKOHAMA CMM 25-48-25 G STEP (3);[03] VERIFIED 1 AND 2;COMPLETE;[04] FABRICATED NEW REPAIR PEICE FROM 6061-T6 BY OUTSIDE VENDOR CERTIFICATE OF CONFORMANCE TRACKING NUMBER W35763;[05] FABRICATED NEW REPAIR PEICE FROM 6061-T6 BY OUTSIDE VENDOR CERTIFICATE OF CONFORMANCE TRACKING NUMBER W35763 ; REF CMM 25-48-25 FIG 604;[06] VERIFIED 4 AND 5;OK TO TREAT/PRIME REPAIR PART.;[07] TREATED AND PRIMED NEW REPAIR PART IRW AMM 51-21-41-3740-803;51-21-72-370-803;[08] VERIFIED 7;COMPLETE;[09] OK TO INSTALL REPAIR PART;[10] INSTALLED REPAIR PART AT LAV D ON BOTTOM OF AFT DOOR POST IAW CMM 25-48-25;[11] VERIFIED 10;COMPLETE

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