Service difficulty report · Shield · Boeing 7378H4

Difficulty date
November 17, 2021
Submitted
December 14, 2021
Operation
Air carrier
Aircraft
N8674B
Make and model
Boeing 7378H4
Aircraft serial
36734
Aircraft time
20,443 hours, 9,348 cycles
Part
Shield
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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 COMP.RH FLOOR SHIELD CORRODED AROUND FASTNER HOLES STA.500-500A RBL25 WL.158 ; / [01] BEGAN REMOVING CORROSION ON SPLASH SHIELD AT STA 500 TO 500A; RBL 25 AND WL 158; ORIGINAL .032' LOSS OF .007' REMAINING .025' FOUND OUT OF LIMITS IAW SRM 53-00-53-1A-2. CORROSION STILL EXISTS. TOOLING 36646 CAL DUE 10-06-22; [02] INSPECTION VERIFIED STEP 1; [03] REMOVED DAMAGED SHIELD AT FWD CARGO R/H SIDE STA 500 TO STA 500A IAW SRM 51-40-02-0G-O; [04] INSPECTION VERIFIED REMOVAL; [05] VERIFIED NEW FWD CARGO R/H AFT OF DR SHIELD AS P/N 143A8126-38 'A 'TAG AP6360 IAW BOEING DWG 143A0080 REV:-; [06] VERIFIED STEP 5; [07] LOCATED AND DRILL ALL FASTENER HOLES ALSO INSTALLED NEW NUTPLATES INTO NEW FLOOR SHIELD IAW SRM 51-40-05-0G-0 ALSO BOEING DWG 143A0080 REV:-; [08] INSPECTION CW STEP 7; [09] OK TO INSTALL; [10] INSTALLED NEW R/H SIDE FWD PIT AFT OF DR SHIELD IAW SRM 51-40-02-0G-0 ALSO BOEING DWG 143A0080 REV:-; [11] INSPECTION CW STEP 10; [12] RII REQUIREMENTS CW; [13] VERIFIED ALL STEPS COMPLETE

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