# SDR SWAA2023090789102

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2023
- Submitted: September 7, 2023
- Operation: Air carrier
- Aircraft: [N225WN](https://openairdocs.org/aircraft/N225WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34333
- Aircraft time: 59,226 hours, 35,397 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 300 Stabilize
- 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/SWAA2023090789102

## Discrepancy

CRACK INSPAR RIB 129.50 UPPER FLANGE FRONT SPAR AT LT HORIZONTAL STABILIZER 2023-490753<[01] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811020 DUE DATE: 25-JAN-24. TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 112820025 DUE DATE: 01-FEB-24.;[02] PERFORMED REPAIR ON INSPAR RIB 129.50 UPPER FLANGE FRONT SPAR AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5; STEP 4. N TO S; AND 23-155-02568-WIP1; SEE INDIVIDUAL SIGN-OFF BELOW.;[03] CORRECTED ACTION 2<BR>PERFORMED REPAIR ON INSPAR RIB 129.50 UPPER FLANGE FRONT SPAR AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5; STEP 4.(N) TO 4.(S); AND 23-155-02568-WIP1; SEE INDIVIDUAL SIGN-OFF BELOW.;[04] CORRECTED ACTION 2<BR>PERFORMED REPAIR ON INSPAR RIB 129.50 UPPER FLANGE FRONT SPAR AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5; STEP 4.(N) TO 4.(S); AND 23-155-02568-WIP1;RII SEE INDIVIDUAL SIGN-OFF BELOW.;[05] CORRECTED STEP 3<BR>PERFORMED REPAIR ON INSPAR RIB 129.50 UPPER FLANGE FRONT SPAR AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 AND EA-23-155-02568-WIP1 AND EA COVER EA-23-155-02568 <BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW.;[06] RII ITEM <BR>PERFORMED REPAIR ON INSPAR RIB 129.50 UPPER FLANGE FRONT SPAR AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 AND EA-23-155-02568-WIP1 AND EA COVER EA-23-155-02568 <BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW.

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