Service difficulty report · Plate · Boeing 7377H4

Difficulty date
October 26, 2023
Submitted
November 28, 2023
Operation
Air carrier
Aircraft
N968WN
Make and model
Boeing 7377H4
Aircraft serial
36679
Aircraft time
38,431 hours, 23,571 cycles
Part
Plate
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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 ON PLATE LOCATED FLOOR STRUCTURE BS 1016 PLUS 13 INCHES AT AFT GALLEY AREA 2023-661470<[01] TOOL USED: ULTRASONIC THICKNESS GAUGE; PN: 45MG; SN: 221861811; DUE DATE: 08-NOV-23;[02] EVALUATED PLATE LOCATED FLOOR STRUCTURE BS 1016 PLUS 13 INCHES AT AFT GALLEY AREA AND FOUND WHITIN LIMITS IAW B737-700 SRM 53-70-51-1A-1 ALLOWABLE DAMAGE 1 PARAGRAPH 4.G(2) FIGURE 103 DETAIL L. SEE INDIVIDUAL SIGN OFFS BELOW;[03] EVALUATED PLATE LOCATED FLOOR STRUCTURE BS 1016 PLUS 13 INCHES AT AFT GALLEY AREA AND FOUND WHITIN LIMITS IAW B737-700 SRM 53-70-51-1A-1 ALLOWABLE DAMAGE 1 PARAGRAPH 4.G(2) FIGURE 103 DETAIL L. SEE INDIVIDUAL SIGN OFFS BELOW

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