What was found
INSPECTION TYPE: C, HORIZONTAL STIFFNER CORRODED AFT OF APU EXHAUST PORT ON LOWER SURFACE OF UPPER PANEL AT 2 LOCATIONS. CORROSION FOUND TO BE OUTSIDE LIMITS. STIFFNER REMOVED IAW SRM 51-30-02. NEW STIFFNER INSTALLED IAW DRG 65-21655.
- Difficulty date
- August 23, 2004
- Submitted
- September 7, 2004
- Operation
- Air carrier
- Aircraft
- N936UP
- Make and model
- Boeing 727108C
- Aircraft serial
- 19503
- Aircraft time
- 47,543 hours, 30,806 cycles
- Engine
- Rroyce TAY65154
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Stiffener
- Part number
- 6521655212
- Condition
- Corroded
- Location
- Mlg Ww
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.