Service difficulty report · Rib · Boeing 7377H4

Difficulty date
February 27, 2020
Submitted
March 24, 2020
Operation
Air carrier
Aircraft
N763SW
Make and model
Boeing 7377H4
Aircraft serial
27877
Aircraft time
70,234 hours, 41,391 cycles
Part
Rib
Condition
Cracked
Location
Lt Horiz Stab
Stage of operation
IN
How discovered
V
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 INSPAR RIB INBOARD HORIZONTAL FLANGE AT FRONT SPAR LT HORIZONTA L STAB PERFORMED PERMANENT REPAIR ON INSPAR RIB 138.70 INBOARD HORIZONTAL FLANGE AT FRONT SPAR LT HORIZONTAL IAW B737-700 SRM 55-10-09-2R-2 FIGURE 205, SHEET 3 DETAIL B

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