Service difficulty report · Rib · Boeing 7377H4

Difficulty date
February 3, 2021
Submitted
March 9, 2021
Operation
Air carrier
Aircraft
N935WN
Make and model
Boeing 7377H4
Aircraft serial
36641
Aircraft time
39,462 hours, 23,697 cycles
Part
Rib
Condition
Cracked
Location
L/H Horiz. Stab.
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 INSPAR RIB LOCATED STAB STA 92.70 AND 30 INCHES FROM FRONT SPAR LT HORIZONTAL STAB / REPAIRED INSPAR RIB LOCATED STAB STA 92.70 INCHES FROM FRONT SPAR LT HORIZONTAL STAB IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4 PART USED KIT T-SECTION PN 55100003-01

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