# SDR SWAA2023053128261

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2023
- Submitted: May 31, 2023
- Operation: Air carrier
- Aircraft: [N7815L](https://openairdocs.org/aircraft/N7815L), registered now
- Make and model: Boeing 737-76Q
- Registry model: [Boeing 737-76Q](https://openairdocs.org/model/boeing-737-76q) (OpenAirDocs)
- Aircraft serial: 30288
- Aircraft time: 60,418 hours, 35,015 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023053128261

## Discrepancy

CORROSION STRINGER 27R LOCATED BS540 AND WL150 AT FWD CARGO COMPARTMENT 2023-258025<[01] ULTRASONIC EQUIPMENT USED P/N: 45MG; S/N: 221860711 AND DUE DATE: 07-NOV-23.;[02] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 25-JAN-24.;[03] TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220272512; DUE DATE: 17-DEC-23.;[04] PERFORMED PERMANENT REPAIR ON STRINGER 27R LOCATED BS540 AND WL150 AT FWD CARGO COMPARTMENT I.A.W B737-700 SRM 51-00-03-2R-1 REPAIR 1.SEE INDIVIDUAL SING OFF BELOW.;[05] CORRECTED STEP 4 PERFORMED PERMANENT REPAIR ON STRINGER 27R LOCATED BS540 AND WL150 AT FWD CARGO COMPARTMENT I.A.W B737-700 SRM 53-00-03-2R-1 REPAIR 1.SEE INDIVIDUAL SING OFF BELOW.;[06] PERFORMED PERMANENT REPAIR ON STRINGER 27R LOCATED BS540 AND WL150 AT FWD CARGO COMPARTMENT I.A.W B737-700 SRM 53-00-03-2R-1 REPAIR 1.SEE INDIVIDUAL SING OFF BELOW.<BR>CERTIFIED AS RII

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