Service difficulty report · Crossbeam · Boeing 7377H4

Difficulty date
August 4, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N755SA
Make and model
Boeing 7377H4
Aircraft serial
27871
Aircraft time
74,723 hours, 44,099 cycles
Part
Crossbeam
Condition
Corroded
Location
Bs 295 R-Lbl 9
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 AFT EDGE OF LATERAL BEAM 259.5; WL208.1; LBL 9 TO RBL 9. ; / [01] UPDATED MEASUREMENT TABLE; [02] REMOVED CORROSION ON AFT EDGE OF LATERAL BEAM BS259.5 WL208.1 LBL9 TO RBL9 IN A 1.2'X 15' AREA IAW SRM 51-10-02-0G-0; [17] REPAIRED DAMAGE ON AFT EDGE OF LATERAL BEAM BS 259.5; WL 208.1; LBL 9 TO RBL 9 PER EA 21-153-02384 (N755SA - ATS (PAE) - REPAIR - BS 259.5 BULKHEAD AFT CHORD REPAIR BETWEEN LBL 20 AND RBL 20; WL 208) [TTG8Q006CRDD].; [18] VERIFIED REPAIR OF DAMAGE ON AFT EDGE OF LATERAL BEAM BS 259.5; WL 208.1; LBL 9 TO RBL 9 PER EA 21-153-02384 (N755SA - ATS (PAE) - REPAIR - BS 259.5 BULKHEAD AFT CHORD REPAIR BETWEEN LBL 20 AND RBL 20; WL 208) [TTG8Q006CRDD].; [19] VERIFIED REPAIR OF DAMAGE ON AFT EDGE OF LATERAL BEAM BS 259.5; WL 208.1; LBL 9 TO RBL 9 PER EA 21-153-02384 (N755SA - ATS (PAE) - REPAIR - BS 259.5 BULKHEAD AFT CHORD REPAIR BETWEEN LBL 20 AND RBL 20; WL 208) [TTG8Q006CRDD].

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