# SDR ASAA2022052438589

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2022
- Submitted: June 9, 2022
- Operation: Air carrier
- Aircraft: [N272AK](https://openairdocs.org/aircraft/N272AK), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 44112
- Aircraft time: 18,041 hours, 5,895 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Part number: 146A812712
- Condition: Corroded
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022052438589

## Discrepancy

SHIELD AT STA 767-787 RBL 21 CORRODED ON UPPER AND LOWER SURFACES. GROUNDED - YES. REMOVED COROSION AND CHECKED LIMITS FOUND SHIELD OUT OF LIMITS IAW B737-900ER SRM 53-60-15-1A-1. REMOVED AND REPLACED SHIELD IAW B737-900ER SRM 51-40-02-0G-0W.5 O .050 R .037 L 1.1 D .013.

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