What was found
APU COMPARTMENT RT TORQUE BOX INLET CUTOUT UPPER STIFFENER IS CORRODED STA 1112 TO 1127. ACFT GROUNDED. R & R TORQUE BOX CUT OUT UPPER STIFFENER IAW SRM 51-40-02-0G-0.
- Difficulty date
- May 22, 2013
- Submitted
- May 29, 2013
- Operation
- Air carrier
- Aircraft
- N703AS
- Make and model
- Boeing 737490
- Aircraft serial
- 28893
- Aircraft time
- 47,650 hours, 26,708 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Stiffener
- Part number
- 6546579Y619
- Condition
- Corroded
- Location
- Apu Bay
- 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.