Service difficulty report · Fitting · Boeing 7878

Difficulty date
March 4, 2026
Submitted
March 11, 2026
Operation
Air carrier
Aircraft
N819AN
Make and model
Boeing 7878
Aircraft serial
40637
Aircraft time
33,752 hours, 4,833 cycles
Part
Fitting
Part number
450Z41312
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

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON KEEL BEAM LATTICE FITTING AT STA 882 BETWEEN LBL 11.5 AND RBL 11.5. REPLACED LATTICE FITTING PER DWG 450Z4110-19.

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