# SDR CALA2023062301999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2023
- Submitted: June 23, 2023
- Operation: Air carrier
- Aircraft: [N75436](https://openairdocs.org/aircraft/N75436), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 33531
- Aircraft time: 44,179 hours, 15,518 cycles
- System (JASC): [3200 · Landing Gear System](https://openairdocs.org/jasc/3200)
- Part: Switch
- Part number: P6340012
- Condition: Unknown
- Location: Landing Gear
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023062301999

## Discrepancy

32607201 CREW ADVISED VIA ACRAS (SEE ATTACHED PHOTOS) CREW FOLLOWED QRH LANDING GEAR COMMANDED UP, NOSE GEAR, LEFT GEAR AND RIGHT GEAR REF FIM 32-30 TASK 815. VISUALLY INSPECTED MANUAL EXT DOOR REMOVED AND REPLACED MANUAL EXT SWITCH PER AMM 32-34-11. THAT INSTRUCTED TO OPEN/CLOSE MANUAL GEAR EXTENSION ACCESS DOOR GREEN AND RED LIGHTS ARE ON SWITCH, DOOR AND SWITCH APPEAR NORMAL. CLICK IS HEARD AND FELT ADJUSTMENT OF SWITCH PERFORMED PER AMM 32-34-00. FINAL OPS CHECK AND GEAR RETRACTED NORMALLY. PRIOR TO DOOR BEING CLOSED ALL THE WAY. HAS PREVIOUS HISTORY. STILL REQUIRED. PARTS USED:  29-3234-3-0010,QTY :1 ADD EMP:U354047 PREFORMED MANUAL EXTENSION AND NORMAL GEAR RETACT AND EXTENSION IAW AMM 32-34-00-730-801 AND 32-32-00-710-801 NO DEFECTS NOTED AT THIS TIME ADD EMP:U075381

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