What was found
AFT CARGO SHEILD AT RBL 21 CORRODED BETWEEN STA 767 TO STA 792. GROUNDED - YES. BLENDED CORROSION FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-60-15-1A-1 REPLACED SHEILD IAW B737-900 SRM 51-40-02-0G-0.
- Difficulty date
- November 4, 2021
- Submitted
- November 19, 2021
- Operation
- Air carrier
- Aircraft
- N448AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36356
- Aircraft time
- 19,633 hours, 6,251 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Shield
- Part number
- 146A812712
- Part serial
- NA
- Condition
- Corroded
- Location
- Aft Cargo Shield
- 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.