# SDR REXA2021091000729

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2021
- Submitted: September 10, 2021
- Operation: Air carrier
- Aircraft: [N348PQ](https://openairdocs.org/aircraft/N348PQ), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15348
- Aircraft time: 15,097 hours, 11,243 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: SH670312122
- Condition: Corroded
- Location: Bs 310-319 S25r
- 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/REXA2021091000729

## Discrepancy

"STRINGER 25R IS CORRODED BETWEEN FS 310 AND FS 319.70.
"	"REMOVED CORROSION ON STR 25R BETWEEN FS 310 AND 319.70 IAW CRJ900     
SRM 51-21-06-001-001-A01. REMOVED 0.042"", ORIGINAL MATERIAL THICKNESS 
IS 0.063"", REMAINING THICKNESS IS 0.021"". OUT OF LIMITS IAW CRJ900 SRM
53-21-03-101-002-A04. REQUIRES REPLACEMENT. REMOVED STR 25R BETWEEN   
FS 333 AND FS 280 IAW CRJ900 SRM 57-42-06-001-001-A01. LOCATED,       
DRILLED AND INSTALLED STINGER 25R IAW CRJ900 SRM 51-40-11-001-001-A01,
51-42-06-001-001-A01 AND 51-42-21-001-001-A01. WVAC EMP STAMP # 703   
MTC                                                                   
"

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