# SDR AALA2020041409010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2020
- Submitted: April 14, 2020
- Operation: Air carrier
- Aircraft: [N990AN](https://openairdocs.org/aircraft/N990AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29563
- Aircraft time: 33,785 hours, 13,506 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 147A85408
- Condition: Corroded
- Location: Fuselage
- 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/AALA2020041409010

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON  AFT CABIN FLOOR CREASE ANGLE AT BS 990 AND RBL 52. REPLACED CREASE ANGLE PER AARD 51-00-05-1.

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