Service difficulty report · Bracket · Boeing 7377H4

Difficulty date
May 28, 2022
Submitted
June 15, 2022
Operation
Air carrier
Aircraft
N253WN
Make and model
Boeing 7377H4
Aircraft serial
32511
Aircraft time
53,013 hours, 31,527 cycles
Part
Bracket
Part number
149A811823
Condition
Corroded
Location
Aft Cargo Bay
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

AFT CARGO COMP STA 947.5 LBL 10' BRACKET ASSY LOWER AREA CORRODED P/N 149A8118-23 / [01] REMOVED CORROSINON AT AFT CARGO COMP STA 947.5 LBL 10' BRACKET ASSY LOWER AREA REF B737-700 SRM 51-10-02-0G-0;[02] VERIFIED STEP 1;[03] PERFORMED UT THICKNESS INSP ON REWORKED AREA IAW B737 NDT P4 51-00-00 PROC.3 ; MIN THK. NOTED 0.062'<BR>TOOL USED : OLYMPUS 27MG B/C 172139 CAL DUE:04/23;[04] ORIGINAL MATERIAL 0.080'; REMAINING MATERIAL 0.062'; MATERIAL LOSS 0.018'. FOUND OUT OF LIMITS. PART NEEDS REPLACEMENT;[05] MEASUREMENTS INPUT AND PART TRANSACTION ONLY;[06] VERIFIED STEPS 4 AND 5.;[07] REMOVED AND REPLACED AFT CARGO COMPARTMENT STA 947.5 LBL 10' BRACKET ASSY P/N 149A8118-23 REF B 737-700 SRM 51-40-02-0G-0. WORK WAS ACCOMPLISHED BY TECHNICIAN MARIO MARTINEZ EMPL # 21787;[08] VERIFIED STEP 7

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