Service difficulty report · Rib · Boeing 7377H4

Difficulty date
November 4, 2020
Submitted
December 2, 2020
Operation
Air carrier
Aircraft
N403WN
Make and model
Boeing 7377H4
Aircraft serial
29815
Aircraft time
67,398 hours, 39,889 cycles
Part
Rib
Condition
Cracked
Location
Horizontal 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 LOWER FLANGE LOCATED STAB STA 120.30 PLUS 35.7 INCH OF FRONT SPAR AT LT HORIZONTAL STABILIZER. PERFORMED REPAIR ON INSPAR RIB LOWER FLANGE LOCATED STAB STA 120.30 35.7 INCH OF FRONT SPAR LT HORIZONTAL STABILIZER, IAW SRM B737-700 55-10-09 REPAIR 5 FIG 203 DETAIL A.

More about the Boeing 737-7H4