Service difficulty report · Angle · Boeing 7377H4

Difficulty date
December 27, 2021
Submitted
January 10, 2022
Operation
Air carrier
Aircraft
N474WN
Make and model
Boeing 7377H4
Aircraft serial
33861
Aircraft time
58,782 hours, 34,911 cycles
Part
Angle
Condition
Cracked
Location
Bs 663 Rbl 11
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

A-125-02 - CRACK FOUND IN AC BAY; REAR BULKHEAD TO CENTER TANK LOWER SKIN ATTACH ANGLE; BS 663; RBL 11. CRACK NOTED VISUALLY; VERIFIED BY HFEC PART 6 51-00-00 P23 ; / [01] CUT OUT DAMAGED SECTION OF ANGLE IAW SRM 57-10-10-2R-5 STEP 4B FIG 202 SH 4 DETAIL B.; [02] VERIFIED -1 REPLACEMENT ANGLE FORMED ON BACKSHOP W/O 43102-6000-0002 & -2 SPLICE ANGLE FORMED ON BACKSHOP W/O 43102-6000-0001 IAW SRM 57-10-10-2R-5 TABLE 201.; [03] INSPECTION CW STEP 1-2; [04] FABRICATED; LOCATED; AND DRILLED -1 REPLACEMENT ANGLE AND -2 SPLICE ANGLE I/A/W 57-10-10-2R-5;

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