SDR DLM88991138

Service difficulty report · Apu · Doug MD88

Difficulty date: May 22, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N919DE
Make and model: Doug MD88
Aircraft serial: 53422
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Apu
Part number: 38005041
Condition: Leaking
Location: Cabin
Part time: 6,615 hours
Stage of operation: TO
Nature of condition: B
Precautionary procedure: A

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

What was found

AFTER T/O, MID CABIN TO AFT SMELL OF SMOKE. RETURNED ATL. F/A VERIFIED ODORS 3 TIMES DURING APPROACH. AN UNUSUAL VIBRATION AFT END WAS ACCOMPANYING THE SMELL. FOUND APU LEAKING INTERNALLY. REMOVED AND REPLACED APU, PERFORMED DUCT BURNOUT PER M/M. REMOVED AND REPLACED H2O SEPARATOR BAGS, A/C CKS OK.

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