SDR AALA20130323005

Service difficulty report · Stiffener · Boeing 737823

Difficulty date: March 22, 2013
Submitted: March 26, 2013
Operation: Air carrier
Aircraft: N963AN
Make and model: Boeing 737823
Aircraft serial: 29543
Aircraft time: 36,761 hours, 14,873 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffener
Condition: Cracked
Location: Fuselage
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 VERTICAL STIFFENER OUTBOARD OF PACK EXHAUST DUCT CUTOUT ON AFT SIDE OF VAPOR BARRIER IS CRACKED AT LOWER CORNER. INSTALLED LEFT VERTICAL STIFFENER OUTBOARD OF PACK EXHAUST DUCT PER AARD 51-00-05-1 AND BOEING DRAWINGS / 111A1000 AND 149A7210.