Service difficulty report · Relay · Boeing 767328

Difficulty date
March 18, 2019
Submitted
March 25, 2019
Operation
Air carrier
Aircraft
N1499A
Make and model
Boeing 767328
Aircraft serial
27428
Aircraft time
77,618 hours, 16,872 cycles
Part
Relay
Part number
TDH18523002
Condition
Failed
Stage of operation
TX
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

FWD EQPT VALVE EICAS MSG AFTER BOTH ENGINE STARTED C/W QRH AND VALVE LIGHT REMAINED ILLUMINATED (<P>RE-OPENED MDDR # 108533 IAW DDG 21-58-06 CAT D DUE DATE 09-JUL-19</P><P>LP 880616- ACCOMPLISHED FIM TASK 21-58-00 FIG 104A - NO FAULTS NOTED. ACCOMPLISHED EQPT COOLING SYSTEM VALVE HEALTH CHECK PER AMM 21-58-00-700-805. VALVES CHECKS OK. MDDR CONTINUES (WAITING TD RELAY PN TDH1852-3002</P><P>LP 880617 - REMOVED AND REPLACED 30 SEC TIME DELAY RELAY K1206 PER WDM 21-58-11 OPS CHECKS OK PER AMM 21-58-00. MDDR 108533 CLEARED PLACARD REMOVED </P>)