Service difficulty report · Floor Support · Boeing 75728A

Difficulty date
July 1, 2019
Submitted
July 11, 2019
Operation
Air carrier
Aircraft
N970FD
Make and model
Boeing 75728A
Aircraft serial
28166
Aircraft time
65,850 hours, 22,585 cycles
Part
Floor Support
Part number
146N53183
Condition
Corroded
Location
Fuselage
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

MAIN CABIN BETWEEN STA.1680-1720, BL.0 - RBL.54 FLOOR SUPPORT WEB CORRODED. REMOVED CORROSION FROM M/C AFT DECK WEB STA.1680 - 1720 , BL.0 - RBL.54, MAX MATERIAL LOSS AT RBL.46 STA.1680, ORIGINAL THICK. .071, MATERIAL LOSS .015, REMAIN. MATERIAL RBL.46 .056, ALL OTHER LOCATIONS MATERIAL LOSS .001, REMAINING MATERIAL .070. ACCOMPLISHED BLENDOUT DOUBLER REPAIR AT RBL.46 STA. 1680 IAW SRM 53-60-51-2R REPAIR 2 ALTERNATIVE I. MATERIAL LOSS FROM BL.0 TO RBL.45, RBL.47 TO RBL.54, STA.1680 - 1720 WITHIN LIMITS IAW SRM 53-00-51-1A FIG. VI.

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