Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
September 15, 2023
Submitted
October 18, 2023
Operation
Air carrier
Aircraft
N8551Q
Make and model
Boeing 7378H4
Aircraft serial
36951
Aircraft time
19,763 hours, 9,809 cycles
Part
Floor Support
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 STRUCTURE; RIGHT SIDE PLATE HAS SURFACE CORROSION FROM STA 727J-747 AROUND FASTENER HOLES.<[01] TRANSITION ANGLE IS OUT OF LIMITS SEE TTG8Q00NFPWP FOR R&R OF TRANSITION ANGLE.;[02] VERIFIED CORRECTIVE ACTION #1.<BR> INSPECTION C/W.

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