Service difficulty report · Angle · Boeing 7378H4

Difficulty date
February 6, 2023
Submitted
March 10, 2023
Operation
Air carrier
Aircraft
N8524Z
Make and model
Boeing 7378H4
Aircraft serial
36970
Aircraft time
20,203 hours, 9,817 cycles
Part
Angle
Condition
Cracked
Location
Zn 100 Fus Lower
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

CRACKED WIRE SUPPORT ANGLE COMMON TO 867 FRAME AT STR 3R.<[01] REMOVED CRACK DAMAGED SUPPORT ANGLE COMMON TO BS 867 RBL 15 WL 301 TO 305 STR 3 R/H IAW SRM 51-40-02-0G-0 NO DAMAGE LIMITS GIVEN IN SRM PART IS REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 LOCATED AND DRILLED NEW SUPPORT ANGLE IAW SRM 51-40-05-0G-0 OK TO INSTALL;[02] VERIFIED CORRECTIVE ACTION 1 WITH OK TO INSTALL AND MEASUREMENT TABLE;[03] INSTALLED WIRE SUPPORT BRACKET AT BS 867 FRAME RBL 15 WL 301 TO 305 IAW SRM 51-40-02-0G-0 AND AIPC 53-42-51-56 OK TO INSTALL DISPLACED WIRING; INSULATION AND TUBE.;[04] VERIFIED CORRECTIVE ACTION 3 OK TO INSTALL DISPLACED WIRING; INSULATION AND TUBE GIVEN;[05] RELOCATED DISPLACED INSULATION BLANKETS AT BS 867 RBL 15 WL 301 TO 305 IAW AMM 25-80-00-400-801. INSTALLED WIRING AND TUBE IAW SOPM 20-50-01;[06] VERIFIED CORRECTIVE ACTION 5

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