Service difficulty report · Fairing · Boeing 7377H4

Difficulty date
June 21, 2021
Submitted
August 4, 2021
Operation
Air carrier
Aircraft
N417WN
Make and model
Boeing 7377H4
Aircraft serial
29822
Aircraft time
65,751 hours, 38,956 cycles
Part
Fairing
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

L/H HORIZONTAL STABILIZER L/E FAIRING CRACKED AT RIB # 4 END EDGE MKD DOT ; / [01] REMOVED RIB #4 FROM L/H HORIZONTAL STABILIZER L/E FAIRING PER B737-700 SRM 51-40-02-0G-0; [02] LOCATED AND DRILLED NEW RIB P/N 186A1352-7 P/O# 1684224 PER B737-700 SRM51-40-05-0G-0; [03] VERIFIED; [04] OK TO INSTALL; [05] OK TO INSTALL NEW RIB; [06] MIXED BMS5-95 SEALANT AT 06:50AM; 06/25/2021. SQUEEZE OUT TIME BY 02:50A; 06/26/2021; [07] INSTALLED NEW RIB #4 AT L/H HORIZONTAL STABILIZER PER B737-700 SRM51-40-02-0G-0 AND DRAWING # 186A1001; [08] REMOVED AND REPLACED RIB #4 FROM L/H HORIZONTAL STABILIZER L/E FAIRRIING PER REFERENCE B737-700 SRM 51-40-02-0G-0 SRM 51-40-05-0G-0 AND DRAWING # 186A1001; [09] VERIFIED STEPS 6; 7 & 8

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