Service difficulty report · Rib Doubler · Boeing 7377H4

Difficulty date
June 19, 2022
Submitted
August 11, 2022
Operation
Air carrier
Aircraft
N951WN
Make and model
Boeing 7377H4
Aircraft serial
36665
Aircraft time
39,132 hours, 23,683 cycles
Part
Rib Doubler
Condition
Cracked
Location
Lh Hor 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

L/H HORIZONTAL STAB REMOVABLE L/E 331B RIB #4 IS CRACKED / [01] REMOVED AND REPLACED #4 RIB ON L/H HORIZONTAL STAB. REMOVABLE L/E #331B IAW SRM 51-40-01-0G-0 PARA. 4.;[02] REFERANCE DWG 186A1001 FOR FASTENER CALLOUT;[03] VERIFIED CORRECTIVE ACTION 1 AND 2

More about the Boeing 737-7H4