# SDR CALA2026080418249

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2026
- Submitted: August 5, 2026
- Operation: Air carrier
- Aircraft: [N67052](https://openairdocs.org/aircraft/N67052), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29447
- Aircraft time: 103,294 hours, 14,606 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Controller
- Part number: 8253071001
- Part serial: 7662
- Condition: Faulted
- Location: E/E Bay
- Part time: 8,717 hours, 1,207 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026080418249

## Discrepancy

LT BLEED TRIPPED ON FINAL, NO EXISTING FAULTS FOUND IAW FIM 36-00 FAULT TREE 801,  FOUND L A429 CTC 1 AND 2 IN FAULT HISTORY.  REPLACED ASCTU REF AMM 36-11-22, OPS TEST PASSED. PERFORMED AIR SUPPLY DISTRIBUTION SYS OPS TEST IAW AMM 36-11-00-715-029-001, OPS TEST PASSED.

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