Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 6, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N229WN
Make and model
Boeing 7377H4
Aircraft serial
32498
Aircraft time
58,665 hours, 35,024 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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

CORROSION ON INTERCOSTAL BS 294-312 LBL 11 WL 208.<[01] REPLACED U WITH - OF PN<BR>PB 2297;[02] CERTIFIED;[03] UPDATED STEP 3.;[04] CERTIFED STEP 3;[05] UPDATED STEP 3.;[06] CERTIFIED INSTALLATION OF INTERCOSTAL BS294-BS312 LBL11;[07] VERIFIED STEP 3 IN PARTIAL;[08] REINSTALLED 2 E/A PULLEY BRACKETS BETWEEN LBL 11-15; FLOORE BEAM BS 294 PER SRM 51-40-02-0G-0 DWG #141A5502 REV. E;[09] COMPLETED INSTALLATION OF INTERCOSTAL BS 294-312 LBL 11 WL 208. IAW SRM 51-40-02-0G-0 DWG.# 141A5600.REV N;[10] VERIFIED STEPS 3 AND 4 COMPLETED;[11] VERIFIED STEPS 3 AND 4 AND CARD COMPLETED.;[12] VERIFIED STEPS 3;4 COMPLETE.;[13] VERIFIED ALL STEPS; ALL CORRECTION ACTIONS AND MEASUREMENT TABLE COMPLETE; CARD COMPLETE.

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