Service difficulty report · Door · Boeing 7378H4

Difficulty date
January 12, 2022
Submitted
January 31, 2022
Operation
Air carrier
Aircraft
N8310C
Make and model
Boeing 7378H4
Aircraft serial
38807
Aircraft time
32,247 hours, 14,531 cycles
Part
Door
Condition
Corroded
Location
Aft Cabin
Stage of operation
UK
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

TOILET SERVICE DOOR 145AL HAS HOLE CORRODED THROUGH SURFACE NEAR BONDING WIRE ATTACH POINT; DOT 034-02 ; / [01] EVALUATED CORROSION ON TOILET SERVICE DOOR AT BONDING WIRE ATTACH POINT; FOUND OUT OF LIMITS DUE TO 100% MATERIAL LOSS IAW B737 SRM 52-40-01-1A-4<BR><BR>VERIFIED NEW P/N 146A7411-2; ATAG WN12529; AS TOILET SERVICE DOOR IAW B737 IPC 52-49-07-01 SHEET 002; [02] INSPECTION VERIFIED STEP 1<BR><BR>OK TO PRIME NEW SERVICE DOOR; [03] TREATED AND PRIMED NEW DOOW IAW B737 AMM 51-21-41-370-803 AND B737 AMM 51-21-72-370-804; [04] VERIFIED STEP 3<BR>OK TO TOP COAT; [05] APPLIED TOPCOAT IAW B737 AMM 51-21-73-370-804; [06] VERIFIED STEP 5; [07] OK TO INSTALL; [08] REMOVED TOILET SERVICE DOOR IAW B737 AMM 52-49-07-000-801<BR><BR>INSTALLED NEW TOILET SERVICE DOOR 145AL; P/N 146A7411-2 IAW B737 AMM 52-49-07-400-801. BOND CHECK GOOD TOOLING: 34006 CAL DUE: 12/30/22; [09] VERIFIED STEP 8; [10] APPLIED TOILET SERVICE PLACARD TO EXTERNAL SIDE OF DOOR IAW B737 AMM 51-21-73-370-804<BR><BR>APPLIED CIC TO INTERNAL SIDE OF TOILET SERVICE DOOR IAW B737 AMM 51-21-91-620-802; [11] VERIFIED TASK COMPLETE <BR><BR>AUDIT COMPLETE

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