# SDR AALA202101139027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2021
- Submitted: January 13, 2021
- Operation: Air carrier
- Aircraft: [N984NN](https://openairdocs.org/aircraft/N984NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31234
- Aircraft time: 14,456 hours, 5,937 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 147A57101
- Condition: Corroded
- Location: Zone 200
- 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/AALA202101139027

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE.  FOUND CORROSION ON Z-ANGLE AT STA 990 AND LBL 32 TO LBL 48.  REMOVED AND REPLACED Z-ANGLE, REF AARD 51-00-05-1 AND BOEING DRAWING 147A5700.

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