Service difficulty report · Floor Support · Boeing 76734AF

Difficulty date
May 8, 2026
Submitted
May 19, 2026
Operation
Air carrier
Aircraft
N301UP
Make and model
Boeing 76734AF
Aircraft serial
27239
Aircraft time
73,914 hours, 25,890 cycles
Part
Floor Support
Part number
146T56492
Condition
Corroded
Location
Zone 200
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

FOUND FLOOR INTERCOSTAL CORROSION AT STA 1598 FROM RBL 33 TO RBL 54.75 IN THE AREA AFT OF BULK CARGO COMPARTMENT. FABRICATE P/N: 146T5649-2 I.A.W DWG 146T5649 SH 1 REV.-. AND ORIGINAL PART AS A SAMPLE I.A.W. GMM-MTX CH 9.08 REV. 15. REQUIREMENT AND EGAT WORK SHEET NO. 60378. INSTALLED FABRICATED INTERCOSTAL I.A.W SRM 51-40-02-0G REV. 95 AND DWG 146T5650 SHEET 2 REV. A AND 146T5650 SHEET 4 REV. A.<BR>3. JOB COMPLETED.

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