# SDR CALA2026022314022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2026
- Submitted: February 23, 2026
- Operation: Air carrier
- Aircraft: [N34460](https://openairdocs.org/aircraft/N34460), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 37200
- Aircraft time: 39,688 hours, 14,499 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Part number: 90004532
- Part serial: 2155
- Condition: Faulted
- Location: Zone 600 Flap
- Part time: 39,679 hours, 14,495 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026022314022

## Discrepancy

TRAILING EDGE FLAPS  WOULD NOT FULLY EXTEND TO 30 DEGREES AND WOULD NOT RETRACT.   REMOVED AND REPLACED RIGHT WING FLAP TRANSMITTER IAW AMM 27-58-01-400-801. PERFORMED LAND VERIFY TEST IAW AMM 22-11-00-700-801. TESTS PASSED. PERFORMED FCC BITE TEST NR 34 IAW AMM 22-11-00-740-806. TEST PASSED.  PERFORMED FLAP SENSOR SMYD 1 TEST FOR RIGHT FLAP TRANSMITTER. TEST PASSED. ACFT REMAINS CAT 3. NO FURTHER DEFECTS NOTED. ACFT GOOD FOR SERVICE.

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