What was found
LT VERTICAL STIFFENER OTBD OF PACK EXHAUST DUCT IS CRACKED, LOWER END. REPLACED VERTICAL STIFFENER IAW AARD 51-10-05 R1 & BOEING DRAWINGS 111A1000 & 149A7210.
- Difficulty date
- July 31, 2013
- Submitted
- August 1, 2013
- Operation
- Air carrier
- Aircraft
- N973AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29548
- Aircraft time
- 36,087 hours, 14,807 cycles
- System (JASC)
- 5720 · Wing Miscellaneous Structure
- Part
- Stiffener
- Condition
- Cracked
- Location
- Lt Wing
- 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.