# JASC 6220: Main Rotor Head - Type: JASC system/component code (FAA) - ATA chapter: 62 Main Rotor - Title in the code table: MAIN ROTOR HEAD - Service difficulty reports: 2,052 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=57 - Page: https://openairdocs.org/jasc/6220 ## What it covers The rotating assembly which supports the main rotor blades including blade folding system. Includes the swashplate if it is an integral part of the mast head assembly. Also includes the head mechanism on tilt rotor aircraft. Typical parts are sleeve, spindle, damper, fairing. Does not include the controlling aspects in JASC code 6710. ## Latest service difficulty reports - [SDR QR9R2026092400001](https://openairdocs.org/sdr/QR9R2026092400001), Sep 24, 2026: CONTROL LEVER, GOUGED - [SDR QMLA 202608272006](https://openairdocs.org/sdr/QMLA%20202608272006), Aug 27, 2026: MAIN ROTOR, FOD (N213SH) - [SDR QR9R2026080700002](https://openairdocs.org/sdr/QR9R2026080700002), Aug 7, 2026: BOLT, CRACKED - [SDR QR9R2026080700001](https://openairdocs.org/sdr/QR9R2026080700001), Aug 7, 2026: BOLT, CRACKED - [SDR QR9R2026072300003](https://openairdocs.org/sdr/QR9R2026072300003), Jul 23, 2026: BOLT, CRACKED - [SDR QR9R2026071700001](https://openairdocs.org/sdr/QR9R2026071700001), Jul 17, 2026: CONTROL LEVER, MISREPAIRED - [SDR QR9R2026071300002](https://openairdocs.org/sdr/QR9R2026071300002), Jul 13, 2026: BOLT, CRACKED - [SDR QR9R2026071300001](https://openairdocs.org/sdr/QR9R2026071300001), Jul 13, 2026: CONTROL LEVER, MISMANUFACTURED - [SDR QR9R2026061500001](https://openairdocs.org/sdr/QR9R2026061500001), Jun 15, 2026: CONTROL LEVER, OUT OF LIMITS - [SDR QR9R2026052800001](https://openairdocs.org/sdr/QR9R2026052800001), May 28, 2026: BOLT, CRACKED - [SDR QR9R2026052600001](https://openairdocs.org/sdr/QR9R2026052600001), May 26, 2026: CONTROL LEVER, OUT OF LIMITS - [SDR QR9R2026052000001](https://openairdocs.org/sdr/QR9R2026052000001), May 20, 2026: CONTROL LEVER, OUT OF LIMITS - [SDR QR9R2026051800001](https://openairdocs.org/sdr/QR9R2026051800001), May 18, 2026: CONTROL LEVER, OUT OF LIMITS - [SDR QR9R2026051500001](https://openairdocs.org/sdr/QR9R2026051500001), May 15, 2026: CONTROL LEVER, OUT OF LIMITS - [SDR QR9R2026051400001](https://openairdocs.org/sdr/QR9R2026051400001), May 14, 2026: CONTROL LEVER, OUT OF LIMITS - [SDR QMLA2026041720027](https://openairdocs.org/sdr/QMLA2026041720027), Apr 17, 2026: BEARING, WORN (N712SL) - [SDR 2026FA0000237](https://openairdocs.org/sdr/2026FA0000237), Mar 30, 2026: BEARING, BRINELLED (N184SH) - [SDR 8HBR20260329079](https://openairdocs.org/sdr/8HBR20260329079), Mar 26, 2026: BEARING, BRINELLED (N779SH) - [SDR 2026FA0000216](https://openairdocs.org/sdr/2026FA0000216), Mar 26, 2026: BEARING, BRINELLED (N183LE) - [SDR 8HBR20260329078](https://openairdocs.org/sdr/8HBR20260329078), Mar 23, 2026: BEARING, BRINELLED (N8340S) - [SDR QR9R2026030900001](https://openairdocs.org/sdr/QR9R2026030900001), Mar 9, 2026: BOLT, CRACKED - [SDR QR9R2026021200002](https://openairdocs.org/sdr/QR9R2026021200002), Feb 12, 2026: BOLT, CRACKED - [SDR QR9R2026021200001](https://openairdocs.org/sdr/QR9R2026021200001), Feb 12, 2026: BOLT, CRACKED - [SDR JYDR20260203027](https://openairdocs.org/sdr/JYDR20260203027), Feb 3, 2026: PISTON ROD, BROKEN (N173AC) - [SDR QR9R2025100100008](https://openairdocs.org/sdr/QR9R2025100100008), Oct 2, 2025: CONTROL LEVER, OUT OF LIMITS - [SDR QR9R2025100200007](https://openairdocs.org/sdr/QR9R2025100200007), Oct 2, 2025: CONTROL LEVER, OUT OF LIMITS - [SDR QR9R2025100200006](https://openairdocs.org/sdr/QR9R2025100200006), Oct 2, 2025: CONTROL LEVER, OUT OF LIMITS - [SDR QR9R2025091800004](https://openairdocs.org/sdr/QR9R2025091800004), Sep 18, 2025: BEARING, WORN - [SDR QR9R2025091800003](https://openairdocs.org/sdr/QR9R2025091800003), Sep 18, 2025: BEARING, WORN - [SDR QR9R2025091800002](https://openairdocs.org/sdr/QR9R2025091800002), Sep 18, 2025: BEARING, WORN - [SDR QR9R2025091800001](https://openairdocs.org/sdr/QR9R2025091800001), Sep 18, 2025: BEARING, WORN - [SDR QR9R2025091500003](https://openairdocs.org/sdr/QR9R2025091500003), Sep 15, 2025: CONTROL LEVER, OUT OF LIMITS - [SDR QR9R2025091500002](https://openairdocs.org/sdr/QR9R2025091500002), Sep 15, 2025: CONTROL LEVER, OUT OF LIMITS - [SDR 2025FA0000638](https://openairdocs.org/sdr/2025FA0000638), Sep 11, 2025: BUSHING, INCORRECT - [SDR 2A6R2025082774106](https://openairdocs.org/sdr/2A6R2025082774106), Aug 27, 2025: CAP, CRACKED (N135NK) - [SDR 2025FA0000364](https://openairdocs.org/sdr/2025FA0000364), May 20, 2025: STARFLEX, EXCESS PLAY (N191NR) - [SDR QMLA2025042920054](https://openairdocs.org/sdr/QMLA2025042920054), Apr 29, 2025: BONDING WIRE, BROKEN (N807LF) - [SDR 2NVA2025042401](https://openairdocs.org/sdr/2NVA2025042401), Apr 23, 2025: YOKE, FAILED INSP (N74808) - [SDR QR9R2025041600003](https://openairdocs.org/sdr/QR9R2025041600003), Apr 16, 2025: CONTROL LEVER, CORRODED - [SDR QR9R2025041600002](https://openairdocs.org/sdr/QR9R2025041600002), Apr 16, 2025: CONTROL LEVER, CORRODED - [SDR QR9R2025041600001](https://openairdocs.org/sdr/QR9R2025041600001), Apr 16, 2025: CONTROL LEVER, CORRODED - [SDR QR9R2025041500004](https://openairdocs.org/sdr/QR9R2025041500004), Apr 15, 2025: BEARING, WORN - [SDR QR9R2025041500003](https://openairdocs.org/sdr/QR9R2025041500003), Apr 15, 2025: BEARING, WORN - [SDR QR9R2025041500002](https://openairdocs.org/sdr/QR9R2025041500002), Apr 15, 2025: BEARING, WORN - [SDR QR9R2025041500001](https://openairdocs.org/sdr/QR9R2025041500001), Apr 15, 2025: BEARING, WORN - [SDR QMLA2025032720041](https://openairdocs.org/sdr/QMLA2025032720041), Mar 27, 2025: ROTOR HEAD, CRACKED (N184AM) - [SDR QR9R2025032000004](https://openairdocs.org/sdr/QR9R2025032000004), Mar 20, 2025: BEARING, WORN - [SDR QR9R2025032000003](https://openairdocs.org/sdr/QR9R2025032000003), Mar 20, 2025: BEARING, WORN - [SDR QR9R2025032000002](https://openairdocs.org/sdr/QR9R2025032000002), Mar 20, 2025: BEARING, WORN - [SDR QR9R2025032000001](https://openairdocs.org/sdr/QR9R2025032000001), Mar 20, 2025: BEARING, WORN --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.