Service difficulty report · Bracket · Boeing 7378H4

Difficulty date
September 14, 2024
Submitted
October 15, 2024
Operation
Air carrier
Aircraft
N8325D
Make and model
Boeing 7378H4
Aircraft serial
37003
Aircraft time
38,857 hours, 18,157 cycles
Part
Bracket
Condition
Corroded
Location
Zone 600
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

CORROSION ON BRACKET LOCATED BOOST PUMP TANK 2 TRAILING EDGE IRSS144 AT RT WING (2 EA) 2024-559051<[01] REPLACED BRACKET LOCATED BOOST PUMP TANK 2 TRAILING EDGE IRSS144 AT RT WING (2 EA) IAW B737-800 IAW B737-800 AMM 28-22-41-000-801 STEP 2.H.(8) AND AMM 28-22-41-400-801 STEP 3.H.(16) THRU 3.H.(22)(B). PERFORMED BONDING TEST. TEST IS OK <BR><BR>MEASURED VALUE: 0.3 MILLIOHMS<BR><BR> TOOL USED: BONDING MILLIOHMETER <BR>P/N: 620LK<BR>S/N: 21A3027<BR>DUE DATE: 29/JUL/25;[02] CORRECTED STEP 1:<BR>REPLACED BRACKET LOCATED BOOST PUMP TANK 2 TRAILING EDGE IRSS144 AT RT WING (2 EA) IAW B737-800 AMM 28-22-41-000-801 STEP 2.H.(8) THRU (10) AND AMM 28-22-41-400-801 STEP 3.H.(16) THRU 3.H.(22)(B); 3.H.(23)(A)2); 3.H.(23)(C) THRU (F); AND 3.H.(24). PERFORMED BONDING TEST. TEST IS OK<BR><BR>MEASURED VALUE: 1.0 MILLIOHMS<BR><BR>TOOL USED: BONDING MILLIOHMETER<BR>P/N: 620LK<BR>S/N: 21A3027<BR>DUE DATE: 29/JUL/25;[03] CERTIFIED CORRECTIVE ACTION STEP 2

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