Service difficulty report · Connector · Boeing 737890

Difficulty date
December 27, 2018
Submitted
January 9, 2019
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
47,535 hours, 14,046 cycles
Part
Connector
Part number
BACC63BP22D19P8
Condition
Defective
Location
Fire Protection
Stage of operation
TX
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

APU SQUIB LIGHT DOES NOT TEST. GROUNDED - YES. WIRE W8524-6007R-18 BETWEEN CONNECTOR D46050P AND D48080J REMOVED AND REPLACED REF WDM 26-21-11. PIN LOCKS NR 7 OF D46050P INOP: CONNECTOR REMOVED AND REPLACED. CONNECTOR BACC63BP22D19P8 NIS, SO BACC63BP22C19P8 INSTALLED REF EA 800-26-EA-21135 AND L/P 12046870 FOR DEFERRAL. OPERATIONAL CHECKS OF D46050 DONE SUCCESSFULLY AS FOLLOWS: APU FIRE BOTTLE SQUIB INSTALLATION TEST REF AMM 26-22-02-400-801, APU FIRE WARNING HORN/FIRE DETECTION TEST REF AMM 26-15-00-710-801, ECU BITE REF AMM 49-61-00-700-801, ANTISKID VALVE OPERATIONAL TEST REF AMM 32-42-00-720-803, AND HYDRAULIC BRAKE PRESSURE TRANSMITTER (T185) REF AMM 29-33-12-400-801.