Service difficulty report · Shield · Boeing 7377H4

Difficulty date
May 27, 2020
Submitted
August 13, 2021
Operation
Air carrier
Aircraft
N928WN
Make and model
Boeing 7377H4
Aircraft serial
36890
Aircraft time
40,809 hours, 24,748 cycles
Part
Shield
Condition
Corroded
Location
Bs 492-500a
Stage of operation
IN
How discovered
V
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 PIT FLOOR RH Z-ANGLE IS CORRODED AT BS 492 TO 500A; RBL 24; WL 156. / FWD CARGO FLOOR Z-ANGLE SHIELD IS CORRODED AT BS 492 TO BS 500A RBL 24. BLENDED AND REMOVED CORROSION ON SHIELD I/A/W SRM 51-10-02-0G-0 CHECK WITH 10X MAG. MATERIAL THICKNESS IS .032 MAT LOSS IS .004 MATERIAL REMAINING IS .028 'OUT OF LIMITS' I/A/W SRM 53-30-15-1A-1 STEP 4(G)2. DRILLED AND REMOVED CORRODED SHIELD I/A/W SRM 51-40-02-0G-0. LOCATED AND DRILLED NEW SHIELD I/A/W SRM 51-40-05-0G-0 ALSO BOEING DWG 143A0080 REV: -. INSTALLED NEW SHIELD AT STA 492 TO STA 500A I/A/W SRM 51-40-02-0G-0 ALSO BOEING DWG 143A0080 REV: -

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