Service difficulty report · None · Boeing 7378H4

Difficulty date
September 10, 2022
Submitted
September 30, 2022
Operation
Air carrier
Aircraft
N8508W
Make and model
Boeing 7378H4
Aircraft serial
38814
Aircraft time
19,904 hours, 9,520 cycles
Part
None
Part number
143A7501U183
Condition
Corroded
Location
Fwd 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

FWD CARGO COMPARTMENT R TRANSITION ANGLE BETWEEN STA. 500A TO 500I HAS CORROSION. / [01] REMOVED CORROSION FROM FWD CARGO COMPARTMENT RT ZEE SIDEPLATE CHANNEL ASSEMBLY BETWEEN STA 500A TO STA 500D+11; RBL 21. FOUND BLENDED AREAS TO BE WITHIN ALLOWABLE LIMITS WITH LESS THEN .004? MATERIAL REMOVED IAW SRM 53-00-53-1A-2.;[02] VERIFIED 1. JOHN PRAMUK (TECHNICIAN); 10-SEP-2022 14:56 UTC <BR>REMOVED CORROSION FROM FWD CARGO COMPARTMENT RT ZEE SIDEPLATE CHANNEL ASSEMBLY BETWEEN STA 500A TO STA 500D+11; RBL 21. FOUND BLENDED AREAS TO BE WITHIN ALLOWABLE LIMITS WITH LESS THEN .004? MATERIAL REMOVED IAW SRM 53-00-53-1A-2.;[03] APPLIED ALODINE AND PRIMED AREAS IN COMMON WITH REPAIR FROM STA 500A TO 500D+11 PER SRM 51-20-01; 53-00-53-1A-2.;[04] VERIFIED 3. JOHN PRAMUK (TECHNICIAN); 10-SEP-2022 15:44 UTC <BR>APPLIED ALODINE AND PRIMED AREAS IN COMMON WITH REPAIR FROM STA 500A TO 500D+11 PER SRM 51-20-01; 53-00-53-1A-2;[05] CORROSION DAMAGE ON FWD CARGO COMPARTMENT RT ZEE SIDEPLATE CHANNEL ASSEMBLY BETWEEN STA 500D+11 TO 500I; RBL 21; FOUND TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-53-1A-2.;[06] SLICE RT ZEE SIDEPLATE CHANNEL LOCATED ON STA 500D +11 FOR REPAIR AND PART FABRICATION. ALL WORKS REFERENCE TO SRM 53-00-53-2R-6 INSTALLED R/H FWD CARGO REPAIR SPLICE TRANSITION ANGLE FROM STA 500E TO 500I. PER SRM 53-00-53-2R-5.

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