SDR SWAA2020052643447

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: 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

LEFT HORIZONTAL STABILIZER RIB STAB STA 129.50, 2ND STIFFENER IS CRACKED AT LOWER END. CUT OUT DAMAGED AREA LT HORIZONTAL STAB. RIB STA 129.50, 2ND STIFFENER AT LOWER END 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