Service difficulty report · Door · Boeing 7378H4

Difficulty date
January 14, 2024
Submitted
February 26, 2024
Operation
Air carrier
Aircraft
N8315C
Make and model
Boeing 7378H4
Aircraft serial
38811
Aircraft time
37,928 hours, 17,729 cycles
Part
Door
Part number
UNKNOWN
Condition
Corroded
Location
Waste Service
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** AFT LOWER FUSELAGE TOILET SERVICE DOOR 145AL @ BONDING WIRE ATTACHED POINT MKD DOT<[01] REMOVED AND REPLACED CORRODED BONDING WIRE AT AFT LOWER TOILET SERVICE DOOR AS PER REF AMM 20-10-37-120-801.BONDING METER DUE DATE 13/MAR/24;[02] VERIFIED. REMOVED AND REPLACED CORRODED BONDING WIRE AT AFT LOWER TOILET SERVICE DOOR AS PER REF AMM 20-10-37-120-801.BONDING METER DUE DATE 13/MAR/24;[03] CORRECT MEASUREMENT TABLE QUESTION 3;[04] ENTRY'S NUMBER 1 & 2 WERE ENTERED IN ERROR.<BR> (PLEASE FOLLOW STEPS BELOW.);[05] SUMMARY :REMOVED BOUNDING WIRE FOR ACCESS AS PER SRM 51-40-02-0G-0.REMOVED CORROSION AFT LOWER FUSELAGE TOILET SERVICE DOOR AS PER 51-10-02-0G-0.PERFORMED UT THICKNESS INSP ON REWORKED AREA;<BR>IAW B737 NDT PART 4 51-00-00 PROC. 3<BR>TOOLS: 27MG; B/C 172139; CAL. DUE 30-MAR-2024. MIN. THICKNESS 0.046?.EVALUATED REWORKED AREA ORG MAT. 0.060 MAT REMOVED.014 MAT REMAINING 0.046 FOUND TO BE OUT OF LIMITS AS PER B 737 SRM 52-40-01-1A-4 REMOVED AND REPLACED ACCESS DOOR 145AL AS PER B 737 SRM 51-40-02-0G-0.;[06] NDT FINISHED

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