Service difficulty report · Bracket · Boeing 7377H4

Difficulty date
August 11, 2021
Submitted
September 16, 2021
Operation
Air carrier
Aircraft
N413WN
Make and model
Boeing 7377H4
Aircraft serial
29819
Aircraft time
67,173 hours, 39,106 cycles
Part
Bracket
Condition
Cracked
Location
Cockpit
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

P6-3 COCKPIT BREAKER PNL GUARD HAS UPPER AND LWR MOUNT BRACKETS CRACKED. 8-60 ; / [01] REMOVED DAMAGE REPAIR STRAPS AT P6-3 COCKPIT BREAKER PANEL GUARD UPPER AND LOWER IAW. B-737-700 SRM 51-40-02-0G-0; [02] FABRICATED NEW REPAIR STRAPS FROM 2024-T3 .050' TO COMPLY WITH PREVIOUS REPAIR IAW. EA. # 1-A25-1455; [03] PERFORMED HFEC INSP ON CUT-OUT AT P6-3 COCKPIT BREAKER PANEL GUARD UPPER AND LOWER. IAW B 737 NDT PART 6 51-00-00 PROCE 23. TOOL NORTEC 600. BC 166316. CALIB DUE 10-1-21. NO CRACKS FOUND.; [04] VERIFIED STEPS 1; 2 & 3 ARE COMPLETE.; [05] OK TO ALODINE & PRIME THE REPAIR PARTS AND THE EFFECTED AREA.; [06] TREATED AND PRIME REPAIR PART AND EFFECTED AREA IAW. B-737-700 AMM. 51-21-72-370-804; [07] OK TO INSTALL BRACKET.; [08] REMOVED AND REPLACED DAMAGE REPAIR STRAP AT P6-3 COCKPIT BREAKER PANEL GUARD IAW. B-737-700 SRM. 51-40-02-0G-0 AND EA. #1-A25-1455 REV.1 PAGE 1 TO 3; [09] VERIFIED STEPS:6;7;8

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