SDR 2005UALA01007

Service difficulty report · Odor · Boeing 737322

Difficulty date: August 19, 2005
Submitted: September 27, 2005
Operation: Air carrier
Aircraft: N347UA
Make and model: Boeing 737322
Aircraft serial: 24251
Aircraft time: 49,971 hours, 27,458 cycles
System (JASC): 4990 · APU Oil System
Part: Odor
Condition: Detected
Location: Cockpit
Stage of operation: NR
How discovered: O
Nature of condition: B
Precautionary procedure: H

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

What was found

ELECTRICAL SMELL OCCURRED IN COCKPIT AND CABIN AFTER 1ST ATTEMPT TO CONNECT GROUND POWER. REMOVED SPEED SENSOR ACC PNL FOUND APU INLET OIL SOAKED, RAN APU UNABLE TO FIND SOURCE 22SEP SFO: PER AMM 49-00-00-0101 PG 180M FIG 140 LK 21. REPLACE SPEED SENSOR PACKINGS PER AMM 49-61 -41 AS PRECAUTION. 24SEP DEN: REPLACED SPEED SENSOR PROBE PACKINGS. FOUND HYD LEAK IN TAIL ENTERING APU INLET. LEAK FIXED. PERFORMED PACK BURN. APU OPERATIONAL. PACKS USEABLE.