Service difficulty report · Case · Boeing 757232

Difficulty date
September 13, 2025
Submitted
September 14, 2025
Operation
Air carrier
Aircraft
N699DL
Make and model
Boeing 757232
Aircraft serial
29970
Aircraft time
82,276 hours, 31,904 cycles
Engine
Pwa PW2037
Engine time
90,853 hours, 39,193 cycles
Part
Case
Condition
Loose
Location
Ptu
Stage of operation
AP
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

ALTERNATE GEAR EXT USED AFTER LT HYD SYS LOSS DURING APPROACH. FOUND LT ENG HYD CASE DRAIN FILTER DPI MISSING. REPLACED LEFT ENGINE FILTER MODULE DPI, HYDRAULIC POWER TRANSFER UNIT, LEFT ALTERNATING CURRENT PUMP, LEFT ENGINE DRIVEN PUMP, EDP CASE FILTER, PRESSURE, FILTER PTU CASE FILTER, ACMP CASE AND PRESSURE FILTER, NLG GEAR SEQUENCE VALVE, AND NOSE GEAR CHECK VALVES PER AMM 29-11 AND 32-31. (LP 7353684)