What was found
AFT CARGO FWD SHIELD HAS CORROSION. GROUNDED - YES. REMOVED CORROSION & FOUND OUT OF LIMITS IAW BOEING SRM 53-60-15-1A-1 STEP 4G(2), REMOVED & REPLACED SHIELD IAW SRM 51-40-02-0G-0 STEP 4,
- Difficulty date
- August 5, 2026
- Submitted
- August 31, 2026
- Operation
- Air carrier
- Aircraft
- N474AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40715
- Aircraft time
- 41,075 hours, 12,860 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Shield
- Part number
- 146A8127U12
- Condition
- Corroded
- Location
- Zone 100
- 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.