What was found
APU INTAKE FLANGE LEADING INTO APU COMPARTMENT HAS CORROSION AROUND FASTENER HOLES ON THE OTBD SIDE. ACFT GROUNDED. REMOVED AND REPLACED THE APU INTAKE FLANGE IAW SRM 51-40-02-0G-0, FIG 8, AND PARA 4, 7D.
- Difficulty date
- March 5, 2018
- Submitted
- March 19, 2018
- Operation
- Air carrier
- Aircraft
- N303AS
- Make and model
- Boeing 737990
- Aircraft serial
- 30016
- Aircraft time
- 59,646 hours, 23,347 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Flange
- Part number
- 148A864010
- Condition
- Corroded
- Location
- Bs 1122
- 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.