SDR SWAA2020052643450

Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date: April 17, 2020
Submitted: May 26, 2020
Operation: Air carrier
Aircraft: N922WN
Make and model: Boeing 7377H4
Aircraft serial: 32461
Aircraft time: 41,140 hours, 24,679 cycles
System (JASC): 5514 · Horizontal Stabilizer Miscellaneous Structure
Part: Stiffener
Condition: Cracked
Location: Rt 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

RIGHT HORIZONTAL STAB INSPAR RIB ASSY 4 (STAB STA 120.30) STIFFENER 2 IS CRACKED NEAR LOWER SKIN. CUT OUT DAMAGED AREA AT RT HORIZONTAL STAB RIB ASSY 4, STA 120.30, STIFFENER 2 NEAR LOWER SKIN IAW SRM 55-10-09-2R-4 REPAIR 4. FABRICATED REPAIR PARTS AND INSTALLED IAW SRM 55-10-09-2R-4 REPAIR 4 PARA 4 (A-R).

More about the Boeing 737-7H4