Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 29, 2025
Submitted
May 2, 2025
Operation
Air carrier
Aircraft
N290WN
Make and model
Boeing 7377H4
Aircraft serial
36632
Aircraft time
57,406 hours, 34,635 cycles
Part
Support
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 SUPPORT ZEE LOCATED BTW BS 747 TO BS 787LBL 22 WL 156.1 AT AFT CARGO COMPARTMENT 2025-232261<[01] REMOVED CORROSION ON SUPPORT ZEE LOCATED BTW BS 747 TO BS 787 LBL 22 WL 156.1 AT AFT CARGO COMPARTMENT. EVALUATED REWORKED AREA AND FOUND OUT OF THE LIMITS I.A.W SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2. PERFORMED REPAIR PERMANENT SUPPORT ZEE LOCATED BETWEEN BS 727E TO 807 LBL 22 WL 156.1 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-6 REPAIR 6 FIGURE 203 AND SRM 51-40-02 AND DWG 146A7500 SHEET 113 REV-. SEE INDIVIDUAL SIGN OF BELOW;[02] REMOVED CORROSION ON SUPPORT ZEE LOCATED BTW BS 747 TO BS 787 LBL 22 WL 156.1 AT AFT CARGO COMPARTMENT. EVALUATED REWORKED AREA AND FOUND OUT OF THE LIMITS I.A.W SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2. PERFORMED REPAIR PERMANENT SUPPORT ZEE LOCATED BETWEEN BS 727E TO 807 LBL 22 WL 156.1 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-6 REPAIR 6 FIGURE 203 AND SRM 51-40-02 AND DWG 146A7500 SHEET 113 REV-. SEE INDIVIDUAL SIGN OF BELOW<BR>RII VERIFIED

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