Service difficulty report · Support · Boeing 7377H4

Difficulty date
November 26, 2021
Submitted
January 4, 2022
Operation
Air carrier
Aircraft
N456WN
Make and model
Boeing 7377H4
Aircraft serial
32463
Aircraft time
58,184 hours, 34,533 cycles
Part
Support
Condition
Elongated
Location
Fuselage
Stage of operation
UK
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

SUPPLEMENTAL INFORMATION: ELONGATED HOLE SUPPORT ZEE LOCATED BETWEEN BS 500A AND BS 500D STRINGER 25R AT FWD CARGO COMPARTMENT ; 2021-536643 / [01] EVALUATED SUPPORT ZEE LOC. BTW BS 500A TO 500D STR 25R AT FWD C.C AND FOUND OUT LIMITS DUE TO EXCEEDS LIMITS HOLE IAW B737-700 SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2 PARAGRAPH 4A. STEP 4. MEASURE HOLE IS. 0.424' INSTALLED SUPPORT ZEE LOCATED BETWEEN BS 500A AND BS 500D STRINGER 25R AT FWD CARGO COMPARTMENT. INSTALLED SUPPORT ZEE LOC. BTW BS 500A TO BS 500D STR 25R AT FWD C.C IAW B737-700 SRM 51-40-02 AND DWG 143A7500 REV A. REPLACED SUPPORT ZEE IAW SRM B737-7? 51-40-02;SRM 51-10-02.

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