Service difficulty report · Rib · Boeing 7377H4

Difficulty date
June 9, 2022
Submitted
July 1, 2022
Operation
Air carrier
Aircraft
N255WN
Make and model
Boeing 7377H4
Aircraft serial
32513
Aircraft time
52,870 hours, 31,550 cycles
Part
Rib
Condition
Cracked
Location
Vert. 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 FOUND ON DORSAL FIN FWD RIB FITTING. / [01] REMOVED DORSAL FIN FWD RIB AS PER REF B737-700 SRM 51-40-02-0G-0;[02] LOCATED AND DRILLED NEW RIB AS PER REF B737-700 SRM 51-40-05-0G-0;[03] VERIFIED STEPS 1 AND 2. OK TO INSTALL NEW RIB.;[04] INSTALLED NEW RIB P/N 174A1108-2 AT DORSAL FIN FWD AS PER REF B737-700 SRM 51-40-02-0G-0 AND DWG # 174A1008;[05] VERIFIED STEP 4.

More about the Boeing 737-7H4