Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 4, 2023
Submitted
August 9, 2023
Operation
Air carrier
Aircraft
N965WN
Make and model
Boeing 7377H4
Aircraft serial
36677
Aircraft time
38,362 hours, 23,630 cycles
Part
Support
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

FLOOR TO SIDEWALL SUPPORT HAS CORROSION BS 727E+13 - 787+19 RBL 20 WL 156<[01] UPDATED MEASUREMENTS TABLE;[02] FOUND UNDER INVESTIGATION LOCATION IS BS 727E+13 TO BS 747+19; RBL 20; WL 156;[03] SRM 53-00-53-1A-2 IS APPLICABLE FOR THIS;[04] BLENDED CORROSION ON FLOOR TO SIDEWALL SUPPORT HAS CORROSION BS 727E+13 - 747+19 RBL 20 WL 156;<BR>WORK AREA : BS 727E+1.5'; L 0.600' X W 0.600' X D 0.010'.<BR>BS 727E+2'; L 0.900' X W 0.700' X D 0.010; <BR>BS 727E+19'; L1.0' X W 0.600' X D 0.010'.<BR>BS 747+2'; L 1.0' X W 0.800' X D 0.009'.<BR>BS 747+10'; L 1.0' X W 0.700' X D 0.011'.<BR>BS 747+19'; L 1.0' X W 0.700' X D 0.0900'; FOUND OUT OF LIMITS IAW SRM 53-00-52-1A-2.<BR>USED DEPTH GAGE : ID:ATS2472;DUE: 12/31/2023;[05] WORK WILL BE ACCOMPLISH ON CUSTOMER CARD NBR: TTG8Q00M0TZB;[06] VERIFIED ITEMS 2;3;4. <BR>VERIFIED OUT OF LIMITS.;[07] VERIFIED CORRECTIVE ACTION 5 AND MEASUREMENT TABLE

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