SDR 2022FA0000062

Service difficulty report · Line · Boeing 737852

Difficulty date: November 16, 2021
Submitted: January 31, 2022
Operation: General aviation
Aircraft: N957AM
Make and model: Boeing 737852
Aircraft serial: 39957
Aircraft time: 24,937 hours, 9,338 cycles
System (JASC): 2911 · Hydraulic Power Accumulator, Main
Part: Line
Part number: AS154A04EN0294K
Part serial: SS
Condition: Leaking
Location: Inique
Part time: 24,937 hours, 9,338 cycles
Stage of operation: IN
How discovered: O
Nature of condition: K
Precautionary procedure: K

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

What was found

DURING TRANSIT CHECK, A HYDRAULIC LEAK WAS DETECTED IN BRAKE ACCUMULATOR. MAINTENANCE PERSONNEL PERFORMED REVISION DETECTING HYDRAULIC LEAK AT BRAKE ACCUMULATOR LINE P/N AS154A04EN0294K, S/S WITH TSN 24941, CSN 9340, MANUFACTURER BOEING COMPANY; SO THE LINE WAS REPLACED IAW AMM 29-11-71, TESTED CORRECT.