Service difficulty report · Frame · Boeing 7377H4

Difficulty date
December 17, 2021
Submitted
January 31, 2022
Operation
Air carrier
Aircraft
N944WN
Make and model
Boeing 7377H4
Aircraft serial
36659
Aircraft time
38,945 hours, 23,467 cycles
Part
Frame
Condition
Cracked
Location
Fwd Galley
Stage of operation
UK
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

CRACK FRAME ON BS 312 AT LEVEL S-5L AT FWD GALLEY AREA ; 2021-567193 / [01] NO CRACK INDICATION FOUND. REPAIRED FRAME LOC. BS BS 312 AT LEVEL S-5L AT FWD GALLEY AREA IAW B737-700 SRM 53-10-07-2R-1 FIGURE 203 REPAIR 1. THIS REPAIR IS CATEGORY B AND MUST BE INSPECTED AT 50;000 TOTAL FLIGHT CYCLES OR 12;000 FLIGHT CYCLES AFTER REPAIR INSTALLATION; INTERVAL: 12;000 FLIGHT CYCLES AND METHOD IS HIGH FREQUENCY EDDY CURRENT (HFEC). IAW SRM 53-10?07-2R-1 PARAGRAPH 5 STEP A. TABLE 202.

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