# SDR SWAA2022032186183

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2019
- Submitted: March 21, 2022
- Operation: Air carrier
- Aircraft: N760SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27874
- Aircraft time: 68,656 hours, 40,762 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Stringer
- Condition: Out Of Tolerance
- Location: Aft Fuselage
- 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/SWAA2022032186183

## Discrepancy

WHILE ACCOMPLISHING SI#12107-53 FOUND HOLE 9L AT STR-3L OUT OF THE 0.3745-0.3755 TOLERANCE REQURED FOR STEP 29.D. EXISTING WHOLE DIAMETER 0.380. / REPAIRED FASTNER HOLE AT BS 1016; STRINGER 3L; HOLE 9L AS PER SOUTHWEST SPECIAL ITEM (SI # 12107 # 53) STEP 31 REF. FIG 15

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