Service difficulty report · None · Boeing 7377H4

Difficulty date
July 25, 2022
Submitted
September 6, 2022
Operation
Air carrier
Aircraft
N493WN
Make and model
Boeing 7377H4
Aircraft serial
32477
Aircraft time
58,674 hours, 34,928 cycles
Part
None
Part number
147A85908
Condition
Corroded
Location
Aft Galley
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 FLOOR STRUCTURE INNER CHORD LOCATED BETWEEN BS 947.5 TO BS 986.5 WL 208.1 AND RBL 51 AFT GALLEY AND LAV 2022-409988 / [01] TOOL USED UT EQUIPMENT P/N: 45MG; S/N: 130066701; CAL DUE DATE: 08-APR-23;[02] REWORKED AREA ON FLOOR STRUCTURE INNER CHORD LOCATED BETWEEN BS 947.5 TO BS 986.5 WL 208.1 AND RBL 51 AFT GALLEY AREA EVAULATED AND FOUND WITHIN LIMITS IAW B737-700 SRM 53-70-15-1A-1 PARAGRAPH 4 STEP D (2) FIGURE 103 (SHEET 2). SEE INDIVIDUAL SING OFFS STEP BELOW.;[03] REWORKED AREA ON FLOOR STRUCTURE INNER CHORD LOCATED BETWEEN BS 947.5 TO BS 986.5 WL 208.1 AND RBL 51 AFT GALLEY AREA EVAULATED AND FOUND WITHIN LIMITS IAW B737-700 SRM 53-70-15-1A-1 PARAGRAPH 4 STEP D (2) FIGURE 103 (SHEET 2). SEE INDIVIDUAL SING OFFS STEP BELOW

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