Service difficulty report · Angle · Boeing 7377H4

Difficulty date
November 23, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N422WN
Make and model
Boeing 7377H4
Aircraft serial
29826
Aircraft time
61,646 hours, 36,197 cycles
Part
Angle
Part number
146A74011
Condition
Corroded
Location
Aft Fuselage
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 LAV. WASTE SERVICE PANEL SUPPORT ANGLE P/N 146A7407-1 CORRORED; STA 847 TO STA 867 AND STRINGER 23L TO 25L / FOUND EXFOLIATED CORROSION OUT OF LIMITS ON SUPPORT ANGLE P/N 146A7401-1; FABRICATED NEW SUPPORT ANGLE PER DRAWING # 146A7401; AND REMOVED CORRORED SUPPORT AND INSTALLED NEW FABRICAATED SUPPORT BETWEEN STA 847 AND STA 867 AND STRINGERS 23 AND25L ; PER REF SRM 51-40-02-0G-0 AND DRAWING #146A7401; TREATED AND PRIMER PER REF. M/M 51-21-41-370-802 AND 51-21-72-370-804.

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