Service difficulty report · Support · Boeing 7377H4

Difficulty date
May 9, 2025
Submitted
June 10, 2025
Operation
Air carrier
Aircraft
N900WN
Make and model
Boeing 7377H4
Aircraft serial
32544
Aircraft time
57,299 hours, 34,643 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 727A TO BS 727C RBL 22 WL 156.1 AT AFT CARGO COMPARTMENT 2025-309362<[01] REPLACED SUPPORT ZEE LOCATED BETWEEN BS 727 TO BS 767 AND RBL 22 WL 156.1 AT AFT CARGO COMPARTMENT BECAUSE THE CORROSION EXCEEDS THE LIMITS IAW B737-700 SRM 53-00-53-1A-2 STEP 4 A (2) (A) FIGURE 103;DETAIL D. REFER TO THE FOLLOWING TARGET TTG8Q010BB9C TO SEE PROCEDURE AND INDIVIDUAL SIGN OFF BELOW.;[02] REPLACED SUPPORT ZEE LOCATED BETWEEN BS 727 TO BS 767 AND RBL 22 WL 156.1 AT AFT CARGO COMPARTMENT BECAUSE THE CORROSION EXCEEDS THE LIMITS IAW B737-700 SRM 53-00-53-1A-2 STEP 4 A (2) (A) FIGURE 103;DETAIL D. REFER TO THE FOLLOWING TARGET TTG8Q010BB9C TO SEE PROCEDURE AND INDIVIDUAL SIGN OFF BELOW.<BR>TASK CERTIFIED

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