# SDR CALA2026102620557

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2026
- Submitted: October 26, 2026
- Operation: Air carrier
- Aircraft: [N29124](https://openairdocs.org/aircraft/N29124), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27565
- Aircraft time: 99,027 hours, 23,656 cycles
- Engine: Rroyce RB211535E4
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Engine
- Condition: Odor
- Location: Left
- Stage of operation: NR
- How discovered: B
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026102620557

## Discrepancy

AFTER LT & RT ENGINE START, & PACKS TURNED ON, AFTER ONE MINUTE WAITING. STRONG ODORS OF FUEL WERE SMELLED,  CABIN & FLIGHT DECK FOR PROLONGED TIME.  APPROX 5 MINS. IT EVENTUALLY DISSIPATED IN THE CABIN BUT REMAINED IN THE FLIGHT DECK.  RETURNED TO GATE. RAN BOTH PACKS WITH APU BLEED, NO ODOR NOTED. RAN BOTH ENGS, ONE AT A TIME WITH ENGINE BLEED AS SOURCE WITH BOTH PACKS OPS. FOUND LT ENGINE BLEED HAD AN OILY ODOR. RT ENG BLEED, NO ODOR. STARTED NR 1 ENG AFTER INITIAL RUN, OIL ODOR INCREASED.  PERFORMED FIM TASK 71-05 FAULT TREE 828. ENG. OIL/FUEL ODOR IDENTIFIED IN CABIN STEPS 1 THROUGH AND INCLUDING STEP 4. NO DEFECTS NOTED.  PERFORMED FIM TASK 71-05 FAULT TREE 828. ENG. OIL/FUEL ODOR IDENTIFIED IN CABIN STEP 5. PERFORMED BOROSCOPE. NO EVIDENCE OF OIL STAINING FOUND. CONTINUED WITH FIM 71-05 TASK 828 FROM STEP 5 TO COMPLETION AT STEP 42.  NO FAULTS OR DEFECTS FOUND.

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