# SDR SWAA2023092190829

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2023
- Submitted: September 21, 2023
- Operation: Air carrier
- Aircraft: [N7826B](https://openairdocs.org/aircraft/N7826B), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 30035
- Aircraft time: 56,002 hours, 37,056 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: UNKNOWN
- Condition: Cracked
- 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/SWAA2023092190829

## Discrepancy

CRACKED STRINGER AT AREA AFT OF FCB BS535 S-23R WL164. MARKED<[01] VERIFIED STEPS 4 AND 5.;[02] RECEIVED NEW STRINGER SECTION FROM OSS ITEM HFAB53-STR-011 LOT NBR 1537299-1 AND PO NBR 934384 AND HAT CHANNEL ITEM 69-78188-1 LOT NBR 1530303-1.<BR><BR>LOCATED AND DRILLED PARTS PER REF SRM 53-00-03-2R-1 REPAIR 1;[03] VERIFIED CORRECTIVE ACTION 2.;[04] 'THE DAMAGE WAS REPAIRED PER 737-700 SRM 53-00-03-2R-1 (REPAIR 1) AND EA 23-153-02622';[05] VERIFIED CORRECTIVE ACTION #4.

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