Service difficulty report · Skin · Boeing 7377H4

Difficulty date
May 22, 2023
Submitted
June 13, 2023
Operation
Air carrier
Aircraft
N941WN
Make and model
Boeing 7377H4
Aircraft serial
36647
Aircraft time
44,551 hours, 27,217 cycles
Part
Skin
Condition
Cracked
Location
Zn 300 Stabilize
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 AT LEFT HORIZONTAL STABILIZER LOWER SKIN AT STAB STA 193.90; 17' FROM FRONT SPAR ; I/B ROW. CRACK LENGTH : 0.656' CRACK FOUND AT LEFT HORIONTAL STABILIER LOWER SKIN AT STAB STA 193.90 17&#34; FROM FRONT SPAR I/B ROW. CRACK LENGTH : 0.656&#34;<[01] ACCOMPLISHED L/H HORIZONTAL STAB LOWER SKIN REPAIR AT STAB STA 193.90. REF B737 SRM 55-10-01-2R-11;[02] RII -- VERIFIED LH HORIZONTAL STAB LOWER SKIN REPAIR AT STAB STA 193.90;[03] THIS TASK REQUIRES REPEAT DVI AND LFEC INSPECTIONS EVERY 9;000 FLIGHT CYCLES WITH A 56;000 FLIGHT CYCLE INSPECTION THRESHOLD. PER B737 SRM 55-10-01-2R-11 PARAGRAPH 5(A);[04] RII -- VERIFIED LH HORIZONTAL STAB LOWER SKIN REPAIR AT STAB STA 193.90 REF B737 SRM 55-10-01-2R-11.

More about the Boeing 737-7H4