SDR UPS01535270

Service difficulty report · Duct · Boeing 75724APF

Difficulty date: March 12, 2001
Submitted: March 13, 2001
Operation: Air carrier
Aircraft: N402UP
Make and model: Boeing 75724APF
Aircraft serial: 23724
System (JASC): 2120 · Air Distribution System
Part: Duct
Condition: Loose
Location: Rt Ac Pack
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

INSPECTION TYPE:N/A, DURING CRUISE (33K) ALT WARNING HORN SOUNDED. CABIN ALTITUDE WAS CLIMBING AT 300 FT PER MINUTE. MAN CONTROL DID NOT STOP CABIN FROM CLIMBING. REGAINED CONTROL TURNING ON LEFT PACK. WITH BOTH PACKS OPERATING LT PACK READS 44 PSI, RIGHT PACK READS 37 PSI. FOUND RIGHT PACK OUTLET DUCT LOOSE. RECONNECTED DUCT, PERFORMED WORK WITH REFERENCE TO M/M 21-51-00. OPS AND LEAK CHECKS GOOD. OK FOR CONTINUED SERVICE.

More about the Boeing 757-24APF