Service difficulty report · Rib · Boeing 7377H4

Difficulty date
July 15, 2022
Submitted
August 23, 2022
Operation
Air carrier
Aircraft
N950WN
Make and model
Boeing 7377H4
Aircraft serial
36664
Aircraft time
39,351 hours, 23,848 cycles
Part
Rib
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 STABILIZER FRONT SPAR MOVEABLE FAIRING INTERNAL CRACKED @ RIB 6 MKD DOT / [01] REMOVED DAMAGE RIB # 6 ON L/H HORIZONTAL STAB. PER REF. SRM 51-40-02-0G-0;[02] VERIFIED STEP #1;[03] LOCATED AND DRILLED NEW RIB PER REF SRM 51-40-05-0G-0;[04] VERIFIED STEP #3;[05] OK TO INSTALL L/H HORZ; STAB. FRONT SPAR RIB #6;[06] REMOVED AND REPLACED DAMAGE RIB ASSY ON L/H HORIZONTAL STAB. #6 RIB PER REF SRM 51-40-02-0G-0 AND DRAWING # 186A1307;[07] VERIFIED STEP # 6

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