Service difficulty report · Actuator · Boeing 757251

Difficulty date
May 10, 2025
Submitted
May 12, 2025
Operation
Air carrier
Aircraft
N545US
Make and model
Boeing 757251
Aircraft serial
26492
Aircraft time
88,665 hours, 28,461 cycles
Part
Actuator
Condition
Damaged
Location
Ram Air
Stage of operation
NR
How discovered
O
Nature of condition
M, B
Precautionary procedure
O

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

What was found

SHIP 5645 AT FL250, 40 MINUTES INTO THE FLIGHT, PACKS PRODUCED ONLY HOT AIR (MAX CABIN TEMP 77*F). COLD AIR AT 12,000 AND SMOKE ODOR AT 6,000. CORRECTIVE ACTION: T/S PER B757 FIM 21-00-01 PB301. FOUND LEFT PACK RAM AIR INLET DOOR ACTUATOR IS DAMAGED AND RAM AIR INLET IS PARTIALLY OPEN. R/ R ACTUATOR PER B757 AMM 21-53-03. OPS CHECK OK. RAN BOTH A/C PACKS TO COLD TEMP. COCKPIT- 65, MID- 67 AND AFT-64 DEGREES. MCC NOTIFIED. (6985466)