Service difficulty report · Rib · Boeing 7377H4

Difficulty date
December 5, 2020
Submitted
January 13, 2021
Operation
Air carrier
Aircraft
N434WN
Make and model
Boeing 7377H4
Aircraft serial
32454
Aircraft time
60,441 hours, 35,783 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 129.50 AT 27 INCHES FRONT SPAR LT HORIZONTAL STAB (1 EA). PERFORMED PERMANENT REPAIR INSPAR RIB 129.50 LT HORIZONTAL STAB PART NUMBER USED OPP 55100003-01. NOT FOUND ALLOWABLE DAMAGE IN SRM. REPAIR IAW B737-700 SRM 55-10-09-2R-4.

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