Service difficulty report · Shield · Boeing 7378H4

Difficulty date
May 26, 2024
Submitted
June 28, 2024
Operation
Air carrier
Aircraft
N8574Z
Make and model
Boeing 7378H4
Aircraft serial
63588
Aircraft time
19,849 hours, 10,149 cycles
Part
Shield
Part number
UNKNOWN
Condition
Corroded
Location
Bs 767 Rbl21-22
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

AFT CARGO COMPARTMENT FLOOR STRUCTURES SHIELD BETWEEN BS 767 & 767+25, RBL 21-22 HAS SURFACE CORROSION. REMOVED CORROSION PER SRM 53-60-15-1A-1 (0.045' REMAINING THICKNESS). SHIELD IS OUT OF LIMITS PER SRM 53-60-15-1A-1. REMOVED SHIELD ASSY IAW SRM 51-40-02. DRILLED AND COUNTERSINK NEW SHIELD ASSY. IAW SRM 51-40-05. INSTALLED NEW SHIELD ASSY IAW SRM 51-40-02. REMOVED AND REPLACED SHIELD ASSY IAW SRM 51-40-02.

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