What was found
CORROSION ON LOWER LANDING STIFFENER OF AUXILIARY POWER UNIT INLET, BETWEEN STATIONS 1119 TO 1129. REPLACED LOWER LANDING STIFFENER IAW AARD 51-10-05-01 & BOEING DRAWING DWG 148A8650.
- Difficulty date
- July 26, 2013
- Submitted
- July 26, 2013
- Operation
- Air carrier
- Aircraft
- N973AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29548
- Aircraft time
- 36,087 hours, 14,807 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Stiffener
- Condition
- Corroded
- 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.