# SDR A6WA202110267937

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2021
- Submitted: November 5, 2021
- Operation: Air carrier
- Aircraft: [N421ZW](https://openairdocs.org/aircraft/N421ZW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7346
- Aircraft time: 43,356 hours, 41,269 cycles
- System (JASC): [7800 · Engine Exhaust System](https://openairdocs.org/jasc/7800)
- Part: None
- Condition: None
- Stage of operation: TO
- How discovered: V
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA202110267937

## Discrepancy

LH REV UNLOCK CAUTION MSG ON TAKEOFF. ABORTED TAKEOFF AT 50 KNOTS. MAX BTMS READINGS 7612. RETN TO GATE.  C/W M ACTION OF MEL 78-30-01. REF 348418/1 FOR TR MEL  ***AIRCRAFT REMOVED FROM SERVICE***  SEE W/O 309759 MWC'S #5 & 6 FOR R&R OF LH ENG MICROSWITCH BRACKET ASSEMBLY. OPS CHECK GOOD. REMOVED PLACARD REMOVED MEL. REF AMM    78-37-01.

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