Service difficulty report · None · Boeing 7377H4

Difficulty date
September 18, 2021
Submitted
October 25, 2021
Operation
Air carrier
Aircraft
N448WN
Make and model
Boeing 7377H4
Aircraft serial
33721
Aircraft time
58,879 hours, 34,833 cycles
Part
None
Condition
Corroded
Location
Fuselage
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 BS951 TO BS992.8 RBL53 AND WL208.1 AFT GALLEY AND LAV ; 2021-430010 / [25] REPLACED INNER CHORD LOCATED BTW BS893.7 TO BS1006 RBL53 AND WL208.1 AFT GALLEY AND INSTALLED ANGLE LOC BS 1006 RH SIDE AFT GALLEY LAVATORY AREA IAW B737-700 SRM 51-10-02 PARAGRAPH 9; SRM 51-40-02 AND DRAWING 147A8501. SHEET 80 REV: RII.

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