Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
April 21, 2020
Submitted
May 20, 2020
Operation
Air carrier
Aircraft
N923WN
Make and model
Boeing 7377H4
Aircraft serial
36627
Aircraft time
41,011 hours, 24,777 cycles
Part
Stiffener
Part number
182A2401
Condition
Cracked
Location
Lt Horiz Stab
Stage of operation
IN
How discovered
V
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

LT HORIZ. STAB RIB AT STAB STA 120.30 (RIB ASSY. 4); 3RD VERT STIFFENER IS CRACKED. / REPAIRED DAMAGE TO INSPAR RIB 3RD VERT STIFFENER ON L/H HORIZ STAB AT STAB STA 120.30 IAW SRM 51-40-02-0G-0; SRM 55-10-09-2R4; AMM 51-31-00-390-805; AND BAC DRAWINGS 182A2401; 182A1500; 182A3001 AND 002A0001.

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