# SDR DXTA2026021206851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2026
- Submitted: February 12, 2026
- Operation: Air carrier
- Aircraft: [N782QS](https://openairdocs.org/aircraft/N782QS), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20561
- Aircraft time: 11,033 hours, 6,588 cycles
- Engine: Hnywl AS90721A
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: 700407021
- Part serial: P136294
- Condition: Faulted
- Location: Left
- Part time: 10,128 hours, 6,073 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, A, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026021206851

## Discrepancy

AFTER MLG RETRACTION,  HEARD  RAPID LOUD BANGS FOLLOWED BY A PAUSE, THEN ANOTHER RAPID LOUD BANGS.  N1 LT ENG DROPPED FROM CLIMB POWER TO APPROX 62.7% DURING  BANGS, RETURNED TO NORMAL WHEN CEASED.  TOWER STATED BANGS WERE HEARD WITH A MOMENTARY FIREBALL FROM LT ENG.  NO SECONDARY INDS & RETURNED TO LAND W/ NORMAL CHKLSTS.  AFTER LANDING, STOPPED ON RUNWAY TO ALLOW ARFF  TO INSPECT.  NO SIGNS OF LEAKS, SEEPING, OR SMOKING NOTED & TAXIED ACFT.  REMOVED ENG & INSTALLED A REPAIRED ENG IAW LMM 72-00-00, SUBTASK 72-00-00-420-004-A01.  PERFORMED POST ENG INSTALL LEAK & OPS CHK IAW LMM 72-00-00.   POST ENG RUNS GOOD, NO DEFECTS.  WORK DONE IAW LMM 72-05-22, REV 13, AND BD-100-1A10, TASK 71-00-01-400-801, REV 42.

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