Service difficulty report · Shield · Boeing 73779P

Difficulty date
September 22, 2025
Submitted
November 3, 2025
Operation
Air carrier
Aircraft
N7862A
Make and model
Boeing 73779P
Aircraft serial
33009
Aircraft time
60,348 hours, 40,050 cycles
Part
Shield
Part number
143A812631
Condition
Corroded
Location
Zn 100 Fus Lower
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 ON AFT SHIELD BS 500-500A, S27R WL 156. REMOVED AND REPLACED FCB AFT SHIELD IAW SRM 51-40-02-0G-0 AND DWG 143A0080 REV -.

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