SDR DALA2025050603480

Service difficulty report · B-Nut · Airbus BD5001A10

Difficulty date: April 30, 2025
Submitted: May 6, 2025
Operation: Air carrier
Aircraft: N141DU
Make and model: Airbus BD5001A10
Aircraft serial: 50061
Aircraft time: 8,726 hours, 3,984 cycles
Engine: PW1524G
System (JASC): 7261 · Turbine Engine Oil System
Part: B-Nut
Condition: Leaking
Location: Engine Oil
Stage of operation: TX
How discovered: O
Nature of condition: K, B
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ODD UNEXPLAINED BURNING ODOR WHEN EXITING RUNWAY APU OFF. MEDIUM STRONG DISSIPATED AFTER TEN SECONDS. ODOR REOCCURRED AT GATE WITH APU ON, BEFORE ENGINE SHUTDOWN BURNING ODOR NOT DIRTY SOCKS. ACCOMPLISHED AMDS 0550-2001 FOR ODI SMOKE AND FUMES. REF LOG 0937218. FOUND RESIDUAL OIL AND 2 LOOSE B-NUTS IN #1 ENGINE. CLEANED, TIGHTEN AND LEAK CHECKED REF PW1000G-A-72-00-34. REPLACED PACK RECIRC FILTERS REF A220 AMP 21-22-03. (LP# 7017132)

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