Service difficulty report · Circuit Card · Boeing 757232

Difficulty date
May 24, 2020
Submitted
May 26, 2020
Operation
Air carrier
Aircraft
N667DN
Make and model
Boeing 757232
Aircraft serial
25035
Aircraft time
92,069 hours, 41,898 cycles
Part
Circuit Card
Condition
Faulty
Location
Fire Warning
Stage of operation
IN
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

WHEEL WELL FIRE WARNING ON WITH EICAS MSG DUCT LEAK. CORRECTIVE ACTION: PER FIM 26-17 BITE TEST OF CIRCUIT CARD M691, FAULT CODE 84. R&R CARD M691 BITE CKS GOOD PER AMM 26-10. MSG CLEARED. FOUND AFT DUCT FOR APU BLD AIR IN RT W/W CRACKED, REPLACED DUCT, LEAK CKS GOOD.