Service difficulty report · Frame · Boeing 7377H4

Difficulty date
April 27, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N479WN
Make and model
Boeing 7377H4
Aircraft serial
33990
Aircraft time
59,976 hours, 35,850 cycles
Part
Frame
Part number
147A55062
Condition
Corroded
Location
Cabin Floor
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

CORROSION........AFT CABIN FLOOR AT STA 986.5 LBL 45 - LBL 48 WL 208.00 FRAME HAS CORROSION. / [01] CORROSION FOUND OUT OF LIMITS; AND REPAIR TO BE ACCOMPLISHED ON CUSTOMER BAR CODE TTG8Q00C4VT2;[02] VERIFIED STEP 1.

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