SDR UALA2011101205529

Service difficulty report · Detection Sys · Boeing 777222

Difficulty date: October 11, 2011
Submitted: October 13, 2011
Operation: Air carrier
Aircraft: N210UA
Make and model: Boeing 777222
Aircraft serial: 30216
Aircraft time: 41,872 hours, 9,169 cycles
Engine: Pwa PW4077
System (JASC): 3620 · Pneumatic Indicating System
Part: Detection Sys
Condition: Failed
Location: Bleed Air Sys
Stage of operation: NR
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

BLEED LOOP 1 BODY FAILURE OF BODY DUCT LEAK DETECTION LOOP OR LEFT DUCT LEAK OVERHEAT DETECTION SYSTEM (DLODS) CARD. STATUS MSG-2631141 INACTV ER INTER MSG-2631131 INACTV CL INTER. MSG 26-31141 DISPLAYED ON MAT REF FIMMAN 26-18-803 FOR FAULT ISOLATION.