Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 14, 2017
Submitted
August 28, 2017
Operation
Air carrier
Aircraft
N420WN
Make and model
Boeing 7377H4
Aircraft serial
29825
Aircraft time
54,720 hours, 31,787 cycles
Part
Rib
Part number
186A1401
Condition
Cracked
Location
Horizontal 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

LEFT HORIZONTAL STABILIZER RIB ASSEMBLY CRACKED AT HSS 92.7, SECOND ONE AFT. REPAIRED THE RIB ASSEMBLY IAW EA.

More about the Boeing 737-7H4