Service difficulty report · Channel · Boeing 7377H4

Difficulty date
July 25, 2023
Submitted
August 23, 2023
Operation
Air carrier
Aircraft
N292WN
Make and model
Boeing 7377H4
Aircraft serial
32538
Aircraft time
51,861 hours, 31,244 cycles
Part
Channel
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 AFT SERVICE DOOR MOP SILL BS 960-986 RBL 54 WL 208.<[01] VERYFIED APPLICABILITY OF SRM 53-70-15-1A-1.;[02] VERIFIED APPLICABILITY OF SRM 53-70-15-1A-1.;[03] UPDATE STEP 1.;[04] UPDATED MEASUREMENT TABLE.;[05] VALIDATED APPLICABILITY ON CORRECTIVE ACTIONS 1<BR>VERIFIED COMPLETION OF STEP 1.;[06] UPDATED STEP 2.;[07] JOB COMPLETED;[08] EVALUATED AFT SERVICE DOOR MOPSILL AND FOUND TO BE OUT OF LIMITS PER SRM 53-70-15-1A-1. REMOVED; REPLACED; AND INSTALLED A NEW MOPSILL AT AFT SERVICE DOOR BS 887 TO 1006; RBL54; WL 208 IAW SRM 51-40-02 AND DWG:147A8501; ID:0093 ; REV:A AND DWG:147A0000;ID:0045;REV:A.;[09] VERIFIED CORRECTIVE ACTION #8<BR>VERIFIED MEASUREMENTS

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