# SDR DALA2026031801878

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2026
- Submitted: March 18, 2026
- Operation: Air carrier
- Aircraft: [N687DL](https://openairdocs.org/aircraft/N687DL), registered now
- Make and model: Boeing 757232
- Aircraft serial: 27586
- Aircraft time: 82,941 hours, 36,258 cycles
- Engine: Pwa PW2037
- Engine time: 56,574 hours, 21,608 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Pump
- Part number: 5007436C
- Part serial: 0451
- Condition: Odor
- Location: Scavenge
- Part time: 103,699 hours, 40,991 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026031801878

## Discrepancy

STRANGE ODOR IN THE COCKPIT WHEN DESCENDING THROUGH 10,000 FT ON TWO CONSECUTIVE LEGS.   R&R NR 1 ENG LUBE & SCAVENGE PUMP IAW B757 AMM 79 -21-04. PERFORMED TEST 3A REF B757 AMM 71-00. OPS/LEAK CK GOOD. C/W STEP 11 PER B757 AMM 71-00-00. REF MD LOG 1496598. (8395382)

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