# SDR AALA20160610001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2016
- Submitted: June 10, 2016
- Operation: Air carrier
- Aircraft: [N918AN](https://openairdocs.org/aircraft/N918AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29519
- Aircraft time: 49,939 hours, 20,251 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 111A30110
- Condition: Cracked
- 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/AALA20160610001

## Discrepancy

AIRCRAFT WAS IN BASE MAINTENANCE. HORIZONTAL STIFFENER ON RT VAPOR BARRIER AT APPROXIMATELY FUSELAGE BS 663 IS CRACKED ON THE INBD END.  R & R STIFFENER IAW AARD 51-00-05-01.

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