# SDR USAA991100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N559AU
- Make and model: Boeing 737301
- Aircraft serial: 23513
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Bs 312-344
- Part time: 40,914 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA991100

## Discrepancy

CLT - DURIGN Q-1 CHECK VISUAL INSPECTION, FOUND A CORRODED AREA 2 INCH  BY 32 INCH AT LBL 55 STATION 312 TO 344 FLOORBEAM LEFT Z ANGLE.  CORROSION LEVEL 2, CORROSION TASK NR C53-107-01.  REPLACED WITH IDENTICAL PART PER SRM 51-10-02.  (M)

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