Service difficulty report · Spring · Boeing 7377H4

Difficulty date
July 6, 2021
Submitted
July 30, 2021
Operation
Air carrier
Aircraft
N287WN
Make and model
Boeing 7377H4
Aircraft serial
32537
Aircraft time
46,946 hours, 28,145 cycles
Part
Spring
Part number
176A310126
Condition
Cracked
Location
Vertical Stab
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

VERTICAL STAB FIXED L/E SPRING P/N 176A3101-26 R/H SIDE HAS CRACK AT RADIUS DOT A-21-11 ; / [01] REMOVED CRACKED FIXED L/E -26 SPRING IAW SRM 51-40-02-0G.; [02] RECEIVED NEW PART P/N 176A3101U26; A-TAG AK7947; LOCATED AND DRILLED ALL HOLES TO SIZE AND DEBURRED IAW IPC 55-33-11-02A AND SRM 51-40-05-0G; [03] VERIFIED STEP 1;2; [04] OK TO INSTALL P/N 176A3101U26; [05] INSTALLED NEW -26 SPRING IAW SRM 51-40-02-0G.; [06] VERIFIED STEP 5. OK TO CIC; [07] APPLIED CIC IAW AMM 51-21-91-620. ALL WORK COMPLETE.; [08] VERIFIED STEP 7; [09] AUDIT COMPLETE

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