SDR IPXA2019060752883

Service difficulty report · A/C Pack · Boeing 75724APF

Difficulty date: June 5, 2019
Submitted: June 7, 2019
Operation: Air carrier
Aircraft: N433UP
Make and model: Boeing 75724APF
Aircraft serial: 25464
Aircraft time: 25,206 hours, 17,881 cycles
System (JASC): 2150 · Cabin Cooling System
Part: A/C Pack
Condition: Odor
Stage of operation: CR
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

DESCENTING THROUGH 10,000' AIRCRAFT HAD A VERY STRONG ODOR COMING FROM PACKS. SMELLED OF WET DIRTY SOCKS.T/S IAW. FIM 21-00-01, PB 301 ACCOMPLISHED. ENGINE OIL CONSUMPTION FOUND OK. BOTH ENGINES CHECKED FOR OVERFILL, FOUND OK. EXAMINED BOTH PACK FOR OIL CONTAMINATION, NO OIL PRESENT. L/H & R/H ENGINE RUN I.A.W. AMM 71-00-00-862-001-P00 REV. 123.01 ACCOMPLISHED. NO SMELL OR FUMES EVIDENT.

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