# SDR SWAA2022111768307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2022
- Submitted: November 17, 2022
- Operation: Air carrier
- Aircraft: [N269WN](https://openairdocs.org/aircraft/N269WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32526
- Aircraft time: 52,572 hours, 31,375 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- 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/SWAA2022111768307

## Discrepancy

FOUND CRACK ON RIGHT HORIZONTAL STAB RIB #1 ON FWD I/B LOWER CHORD / [01] PERFORMED ROTO INSP ON EXISTING HOLES IAW B737 NDT P6 51-00-00 PROC.16; NO CRACKS<BR>TOOL USED : NORTEC 600 B/C 166316 CALDUE: 10/23;[02] ACCOMPLISHED CUTOUT OF CRACKED SECTION ON RIGHT HORIZONTAL STAB INSPAR RIB # 1 FWD I/B LOWER CHORD REF SRM 55-10-09-2R-5. WORK WAS ACCOMPLISHED BY TECHNICIAN MAURICIO R CARRERA EMPL # 8399;;[06] FABRICATED REPAIR ANGLE (1EA) FROM 7075-O CLAD SHEET OF 0.063' THICK AND FILLER (1EA) FROM 7075-T6 CLAD SHEET OF 0.063' THICK REF SRM 55-10-09-2R-5; FIGURE 205;[08] ACCOMPLISHED HEAT TREATMENT ON FABRICATED REPAIR ANGLE REF. SRM 55-10-09-2R-5 AND BAC5602;[09] VERIFIED STEP 8;[11] LOCATED & DRILLED REPAIR PARTS AS PER SRM 55-10-09-2R-5; FIG.205.(WORK ACCOMPLISHED BY: A.V.#17856).;[12] TREATED & PRIMED REPAIR PARTS PER SRM 51-20-01 & AMM 51-21-72.(WORK ACCOMPLISHED BY: A.V. # 17856).;[16] MIXED SEALANT BMS5-95 B-2; ON 11/10/22 @ 11:10 AM; APPLIED TIME: @ 11:12AM. SQUEEZE TIME:11/10/22 @ 13:10.<BR>INSTALLED REPAIR PARTS AT RT HORZ. STAB. RIB #1 ON FWD. LWR. I/B CHORD; AS PER SRM 55-10-09-2R-5 REPAIR 5; FIG. 205; DETAIL:'B'.(INSTALLED VERT. FLANGE FASTENERS ONLY; HORZ. FLANGE FASTENERS WILL BE INSTALLED ON THE RIB INSTALLATION; CARD: TTG8Q00FUS9U).JOB ACCOMPLISHED BY: A.V. # 17856.;

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