# SDR SWAA2023040417612

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2023
- Submitted: April 4, 2023
- Operation: Air carrier
- Aircraft: N7819A
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 30649
- Aircraft time: 65,235 hours, 39,673 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Slat
- Condition: Cracked
- Location: Zn 500 Left Wing
- 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/SWAA2023040417612

## Discrepancy

SLAT #2 LEADING EDGE SLAT NOSE SKIN AT ACTUATOR RIB - UPON INSPECTION OF CUTOUT; FOUND TWO THROUGH FASTENERS AT THE TERMINAL FITTING TO BE CRACKED. MARKED LOCATIONS.<REMOVED #2 SLAT PER AMM 27-81-21-000-801. INSTALLED MAIN TRACKS ON #2 SLAT ASSY; VERIFIED FIT OF DOWN STOP ASSEMBLY BOLT IN MAIN SLAT TRACK IAW AMM 27-81-21-400-802 STEP 5.G(5) AND AMM 27-81-21-400-801 STEPS 3.H(3.C#2 SLAT INSTALLED; IB AND OB DOWN STOP ASSEMBLY BOLT TORQUED AND SAFETIED AUXILIARY ARMS ATTACHED TO #2 SLATCLOSED PANELS 521PB 521SB IAW AMM 57-41-02-400-801 AND #2 SLAT ACT DOOR PANEL IAW AMM 20-50-11-910-801<BR><BR>TOOL ID: ATS1310 DUE: 10/2023;[25] VERIFIED CORRECTIVE ACTIONS STEP 24.;[26] RAISED FAULT TTG8Q00K58B7 FOR ORIGINAL DISCREPANCY AGAINST OFF UNIT SLAT MPN 114A5020-3 S/N 001055;[27] VERIFIED SKIN TAB GAPS ARE GOOD; PRELOAD IS GOOD AND L/E FLAP AND SLAT OPERATIONAL TEST IS GOOD IAW MM 27-81-00-820-803 STEPS 4.I.(3-5).;[28] VERIFIED CORRECTIVE ACTIONS 26 AND 27

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