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 L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS727G+16' TO BS767+2' LBL22 WL156<[01] VERIFIED STEP 4 IN PARTIAL.;[02] REMOVED; FABRICATED; AND INSTALLED NEW AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT SECTION BS 727F+10 TO 787+7 LBL 22; AND 2 SPLICES BS 727+10 AND BS787+7 PER SRM 53-00-53-2R-5 AND DWG 146A7500.;[03] VERIFIED STEP 5 COMPLETE.;[04] VERIFIED ALL STEPS COMPLETE; MEASUREMENT TABLE AND CORRECTION ACTION ITEM 2; CARD COMPLETE.

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