# SDR ASAA2021070635396

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2021
- Submitted: July 16, 2021
- Operation: Air carrier
- Aircraft: [N492AS](https://openairdocs.org/aircraft/N492AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44110
- Aircraft time: 20,808 hours, 6,661 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Angle
- Part number: 146A812553
- Condition: Corroded
- 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/ASAA2021070635396

## Discrepancy

AFT CARGO DOOR SURROUND STRUCTURE STA 747-767 STR 25-R FWD SHIELD SUPPORT ANGLE CORRODED. GROUNDED - YES. REMOVED CORROSION AREA FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-60-15-1A-1 REMOVED AND REPLACED SHIELD SUPPORT ANGLE IAW B737-900ER SRM 51-40-02-0G-0W=.5 O=.050 R=.044 L=1.5 D=.006.

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