What was found
CORROSION AROUND LAV VENT OPENING. GROUNDED - YES. REPAIRED SKIN IAW SRM 53-70-01-2R-3. THIS IS A CAT B REPAIR WITH AN INSPECTION THRESHOLD OF 50,000 CYCLES, A/C CYCLES AT TIME OF REPAIR 14,913W-1"O-.125"R-0.0L-1"D-.125".
- Difficulty date
- September 4, 2019
- Submitted
- September 6, 2019
- Operation
- Air carrier
- Aircraft
- N560AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35179
- Aircraft time
- 49,858 hours, 14,912 cycles
- System (JASC)
- 5330 · Fuselage Main, Plate/Skin
- Part
- Skin
- Part number
- 147A31102
- 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.