Service difficulty report · Support · Boeing 7378H4

Difficulty date
May 28, 2022
Submitted
June 16, 2022
Operation
Air carrier
Aircraft
N8632A
Make and model
Boeing 7378H4
Aircraft serial
60082
Aircraft time
27,537 hours, 12,517 cycles
Part
Support
Part number
146A750141
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

CORROSION ON FLOOR TO SIDEWALL SUPPORT AT AFT CARGO BAY BS727H+9; BS727I - BS787 RBL21. MARKED. / [01] EVALUATED CORROSION AT ALL LOCATIONS; FOUND DEEPEST LOCATION TO BE AT BS 727H+9' REMOVED 0.015' IN A AREA OF 1'X1' ORIGINAL THICKNESS 0.040' FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING ATS TOOL ID ATS2678 EXP 4/2023;[11] INSTALLED NEW FLOOR TO SIDEWALL SUPPORT AND REPAIR PARTS AT BTW BS 727H+11' AND 767; SPLICE LOCATED AT 727H+11' IAW SRM 53-00-53--2R-5;[12] INSTALLED NEW FLOOR TO SIDEWALL SUPPORT AND REPAIR PARTS AT BTW BS 727H+11' AND 767; SPLICE LOCATED AT 727H+11' IAW SRM 53-00-53--2R-5 AND DWG 146A7500.;[13] VERIFIED CORRECTIVE ACTION 12.;[14] VERIFIED MEASUREMENT TABLE.

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