Service difficulty report · Sidewall Support · Boeing 7378

Difficulty date
October 4, 2023
Submitted
October 24, 2023
Operation
Air carrier
Aircraft
N8713M
Make and model
Boeing 7378
Aircraft serial
36984
Aircraft time
13,127 hours, 5,989 cycles
Part
Sidewall Support
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE HAS MULTIPLE AREAS AROUND NUT PLATE HOLES BS727H+18 TO BS767 RBL22 WL156<[01] VERIFIED STEP 4 COMPLETE; STEP 5 IN PARTIAL.;[02] VERIFIED STEPS 5; 6 COMPLETE.;[03] OK TO INSTALL;[04] REMOVED AND REPLACED AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE AND SPLICE BS 727F+11' TO BS 767 RBL 22 WL 156 PER SRM 51-40-02-0G-0;SRM 53-00-53-2R-5 REPAIR 5 AND DWG 146A7500;[05] VERIFIED CORRECTIVE ACTION 4;[06] COMPLETE

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