# SDR ASAA2021110436635

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2021
- Submitted: November 19, 2021
- Operation: Air carrier
- Aircraft: [N448AS](https://openairdocs.org/aircraft/N448AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36356
- Aircraft time: 19,633 hours, 6,251 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021110436635

## Discrepancy

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.

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