SDR DLL13950117

Service difficulty report · Duct · Lkheed 10113851

Difficulty date: January 11, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N788DL
Make and model: Lkheed 10113851
Aircraft serial: 193A1141
System (JASC): 2120 · Air Distribution System
Part: Duct
Condition: Separated
Location: Ac Compartment
Stage of operation: CR
Nature of condition: O
Precautionary procedure: B

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

What was found

DURING CRUISE, A LOUD BANG WAS HEARD UNDERNEATH CABIN FLOOR AREA, AND AN IMMEDIATE 1000 FT/MIN CABIN ALTITUDE RISE. STARTED EMERGENCY DESCENT, REGAINED CABIN PRESSURE AT 15,000 FEET. RETURNED TO SJU. FOUND DUCT SEPARATED FROM NR 3 ACM. RESECURED DUCT OPERATION NORMAL.