- Difficulty date
- March 11, 2020
- Submitted
- August 25, 2021
- Operation
- Air carrier
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29831
- Aircraft time
- 61,697 hours, 36,249 cycles
- Part
- Flange
- Condition
- Corroded
- Location
- Apu Inlet
- 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.
What was found
***CORROSION*** ON APU INLET MOUNTING FLANGE AT B.S . 1088; R.B.L. 22; WL 270 ON INBOARD FLANGE. / REPAIRED APU INLET MOUNTING FLANGE AT BS 1088; RBL 22; WL 270 INBOARD FLANGE BY REPLACING IAW DRAWING 148A0924 AND SRM 51-40-02-0G-0 STEP 4. 80570U; 31MAR20