SDR DHL2002743012

Service difficulty report · Fire Loop · Boeing 727225

Difficulty date: August 26, 2002
Submitted: August 28, 2002
Operation: Air carrier
Aircraft: N743DH
Make and model: Boeing 727225
Aircraft serial: 22438
System (JASC): 2612 · Fire Detection
Part: Fire Loop
Part number: 105080037506
Part serial: 76241
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K, O

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

What was found

1) APU FIRE TEST INOP. 2) DEFFERED APU FIRE DETECTION SYSTEM AS PER DHL MEL 26-11. CAT."C" CONTROL NO. 10225. PLACARD INSTALLED.3) REF. DMI #10225 APU FIRE DETECTION INOP. 4) CHECKED AND SWAPPED APU CONTROL PANEL, FIRE DETECT. POWER UNIT R-51 R-97 NO HELP. RETURNED ORIGINAL PARTS. DMI #10225 STILL OPEN. (WITH APU RUNING TEST FIRE DET. OPS GOOD)5) REF. DMI #10225. APU FIRE DET. INOP. 6) REMOVED & REPLACED APU SENSOR/RESPONDER PER M/M 26-15-2. SYS. OPS CKS NORMAL - DMI #10225 CLEARED.