Service difficulty report · Bulkhead · Boeing 7377H4

Difficulty date
January 7, 2022
Submitted
January 31, 2022
Operation
Air carrier
Aircraft
N233LV
Make and model
Boeing 7377H4
Aircraft serial
32501
Aircraft time
53,746 hours, 31,891 cycles
Part
Bulkhead
Condition
Corroded
Location
Fuselage
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

CORROSION FWD CARGO COMPARTMENT AFT BULKHEAD SIDEWALL SUPPORT ANGLE BS 500D RBL 25 ; / [01] UPDATED MEASUREMENT TABLE; [02] EVALUATED CORROSION; FOUND 0.045 MATERIAL REMAINING FROM BS 500D RBL 26 WL156 MAX ALLOWABLE OF NO LESS THAN 0.056 REQUIRED IN A 1'X1' AREA. FOUND TO BE OUT OF LIMITS PER SRM 53-30-08-1A-1 USING ID 4566A S/N UNKNOWN; [03] VERIFIED EVALUATED CORROSION; FOUND 0.045 MATERIAL REMAINING FROM BS 500D RBL 26 WL156 MAX ALLOWABLE OF NO LESS THAN 0.056 REQUIRED IN A 1'X1' AREA. FOUND TO BE OUT OF LIMITS PER SRM 53-30-08-1A-1.; [04] LOCATED AND DRILLED FCB AFT BULKHEAD BS 500D; RBL25; IAW SRM 51-40-05-0G-0; DWG 143A7902.

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