Service difficulty report · Splice · Boeing 7377H4

Difficulty date
August 27, 2024
Submitted
October 3, 2024
Operation
Air carrier
Aircraft
N497WN
Make and model
Boeing 7377H4
Aircraft serial
32479
Aircraft time
65,870 hours, 39,201 cycles
Part
Splice
Condition
Corroded
Location
Zone 100
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 SPOT AT AFT CARGO FLOOR STRUCTURE WEB INTERCOSTAL SPLICE (RBL 20) STA 787 + 5'. CORROSION SPOT AT AFT CARGO FLOOR STRUCTURE WEB STRAP (RBL 20) STA 787 + 5' STR25R WL 156.4.<[01] REMOVED CORROSION ON WEB STRAP STA 787+5 RBL 20; FOUND EXFOLIATED CORROSION OUT OF LIMITS PER REF SRM 51-10-02-0G-0<BR>INSTALLED NEW STRAP AT AFT CARGO FLOOR STRUCTURE STA 787 + 5' (RBL 20) PER REF SRM 51-40-02-0G-0 AND DRAWING #146A0081;[02] VERIFIED STEP 1.

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