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
Part number
550000301
Condition
Cracked
Location
R/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 129.30 AT 19 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER REPAIRED INSPAR RIB STAB STA 129.30 AT 19 INCH FROM FRONT SPAR AT RT HORIZONTAL IAW SRM B737700 5510092R4 REPAIR 4 MATERIAL USED KIT TSECTION PN 550000301.

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