Service difficulty report · Frame · Boeing 7377H4

Difficulty date
July 5, 2021
Submitted
August 12, 2021
Operation
Air carrier
Aircraft
N411WN
Make and model
Boeing 7377H4
Aircraft serial
29821
Aircraft time
66,572 hours, 39,411 cycles
Part
Frame
Condition
Cracked
Location
Bs 500c S8-9r
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

CRACK FRAME BS 500C BTW STR 8R TO STR 9R AT PASSENGER CABIN ; 2021-311626 / [01] PERFORMED LAY OUT ON REPAIR AREA LOC. FRAME BS 500C BTW STR 8R TO STR 9R AT PASSENGER CABIN I.A.W B 737-700 EA 1-A53-12114 FIGURE 1 SHEET 2 TOOL USED:CALIPER 700-113-10 S/N:0019289 DUE DATE:25MAR22.; [02] STEP 2 VERIFIED; RII; [03] PERFORMED PERMANENT REPAIR ON FRAME I.A.W EA#1-A53-12114 REV 6; [04] PERFORMED PERMANENT REPAIR ON FRAME I.A.W EA#1-A53-12114 REV 6.. RII ITEM

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