SDR 2021F00339

Service difficulty report · Line · Boeing 737800*

Difficulty date: November 15, 2021
Submitted: December 16, 2021
Operation: General aviation
Aircraft: N957AM
Make and model: Boeing 737800*
Aircraft serial: 39957
Aircraft time: 24,937 hours, 9,337 cycles
System (JASC): 2911 · Hydraulic Power Accumulator, Main
Part: Line
Part number: AS154A04EN0294K
Condition: Cracked
Part time: 24,941 hours, 9,340 cycles
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: O

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

What was found

HYDRAULIC LEAK IN BRAKE ACCUMULATOR. 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.

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