Service difficulty report · Shield · Boeing 7377K9

Difficulty date
September 14, 2024
Submitted
October 28, 2024
Operation
Air carrier
Aircraft
N7878A
Make and model
Boeing 7377K9
Aircraft serial
34320
Aircraft time
58,290 hours, 29,791 cycles
Part
Shield
Condition
Corroded
Location
Zone 100
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

CORROSION FOUND AFT CARGO RH FWD SHIELD FROM STA 767 TO STA 787 RBL 21 WL 155.5 HAS MULTIPLE SPOTS OF CORROSION.<[01] REMOVED CORROSION; CHECKED LIMITS; FOUND OUT OF LIMITS; REMOVED SHIELD; LOCATED AND DRILLED HOLES ON NEW SHIELD; TREATED; PRIMED; APPLIED BMS 10-11 WHITE ENAMEL PAINT; AND REINSTALLED NEW AFT CARGO R/H FWD SHIELD FROM STA 767 TO STA 787 PER SRM 51-10-02-0G-0; PER SRM 53-60-15-1A-1; PER 51-40-02-0G-0; PER SRM 51-40-05-0G-0; PER AMM 51-21-41-370-803 AND AMM 51-21-72-370-804.;[02] CORRECTION TO STEP #1<BR>REMOVED CORROSION; CHECKED LIMITS; FOUND OUT OF LIMITS; REMOVED SHIELD; LOCATED AND DRILLED HOLES ON NEW SHIELD; TREATED; PRIMED; APPLIED BMS 10-11 WHITE ENAMEL PAINT; AND REINSTALLED NEW AFT CARGO R/H FWD SHIELD FROM STA 767 TO STA 787 PER SRM 51-10-02-0G-0; PER SRM 53-60-15-1A-1; PER SRM 51-40-02-0G-0; PER SRM 51-40-05-0G-0; PER AMM 51-21-41-370-803 AND AMM 51-21-72-370-804.;[03] VERIFIED STEP 2.

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